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...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!

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Class 220/230 - Magnetic


Subclass of Class 220 - Receptacles
Definition: Device wherein the closure is retained in covering relation
No. of patents: 81
Last issue date: 09/13/2011


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NumberTitleIssue Date
8016147Lockable container with improved slide latch and lock
A lockable container for an article comprises a frame which has an access opening, a closure member which is pivotally mounted in relation to the frame, and a latch member which is axially movable within the closure member between a latched position and an unlatched...
09/13/2011
7837051Method of locking a container for prerecorded storage media
A method of locking a container is shown, wherein the container is provided with a frame which has an access opening, a closure member which has two opposed long edges and two opposed short edges, and which is pivotally mounted in relation to the frame, and a latch ...
11/23/2010
7513380Self closing container
A self closing container having inner and outer sleeves. Outer sleeve surrounds inner sleeve and can freely slide on inner sleeve by lifting outer sleeve or handle. When container is closed, lid covers magnets, mouth magnets, mouth magnet platform, and mouth platfor...
04/07/2009
7344646Apparatus for magnetic treatment of a liquid and associated methods
An apparatus for treating a liquid includes a container containing a liquid, and a magnetic treatment device therefor. The magnetic treatment device may include an elastic band removably fastened around the container and urged thereagainst by elastic deformation of ...
03/18/2008
7337497Magnetic hinge
A magnetic hinge defining a hinge axis includes first and second hinge plates of non-magnetic material and first and second magnets disposed therein, respectively, for movement therewith. The plates are generally parallel and independently pivotable about the hinge ...
03/04/2008
7328648Apparatus for improving the taste of beverages
The present invention is directed to a method and apparatus of treating wine to improve the wine's taste. This is accomplished by treating the wine with a magnetic field formed by one or more magnets, preferably at least two magnets. These magnets are positioned wit...
02/12/2008
7300580Beverage pourer with magnetic enhancement
A pourer for improving organoleptic properties for various beverages includes a base and a tubular member extending longitudinally through the base. A spout extends outwardly from the tubular member and at least two magnets disposed longitudinally along the tubular ...
11/27/2007
7293846Storage bin assembly for a refrigerator
A refrigerator includes a storage bin assembly removably mounted to an inner liner of a door. The storage bin assembly includes a base portion having a frontal opening, and a face portion. The frontal opening is defined by first and second side portions, as well as ...
11/13/2007
7217059Fixing and release systems
A connecting means adapted to fix or release a first element (4) and a second element (5) includes a locking pin (1) which is moveable to remote activation means between a locked position. In which leg (8) expends wall (9) into rec...
05/15/2007
7172101Pot using magnetic force to link a lid and a body
A pot includes a hollow body and a lid detachably mounted on the hollow body to cover the open end. There is at least one first magnet annularly embedded in the peripheral edge defining the open end of the hollow body. Two second magnets are diametrically embedded i...
02/06/2007
7156252Container closure with dual heat seal and magnetic seal
A closure system for a container comprises a magnetically permeable element such as a metal ring adapted to be affixed on a container adjacent an opening thereof, and a closure such as a membrane lid having a surface formed by a heat seal material, the closure being...
01/02/2007
7089627Magnetic hinge and device including magnetically-attracted plates
A magnetic or virtual hinge defining a virtual hinge axis includes first and second plates of non-magnetic material, and first and second magnets disposed in the respective plates adjacent the hinge axis for movement therewith. The first and second members are movab...
08/15/2006
7007523Bottle security device
A bottle security device includes an inner member, an outer member and a cap member that cooperate to lock the bottle security device on the neck of a bottle. The inner member includes a plurality of fingers that are adapted to fit under the bead on a bottle neck. T...
03/07/2006
6959640Device for magnetically treating materials and associated methods
A device for magnetically treating materials includes a base, and at least one magnet carried by the base to generate a magnetic field within the material. In some embodiments, the material may be within a container, and the magnetic field may be generated within th...
11/01/2005
6956169Flush-mount in-use cover for electrical outlet
A simplified installation design for an in-use cover for an electrical outlet includes conical mounting screw holes in the outlet box and movement-restricting guides to ensure the mounting screw aligns with the mounting screw holes. Angled side mounting screw holes ...
10/18/2005
6926164Lockable container for prerecorded storage media
A lockable container for an article comprises a frame (2) which has an access opening (4), a closure member (10) which is pivotally mounted in relation to the frame (2), and a latch member (28) which is axially movable within the c...
08/09/2005
6922333Detachable keyboard structure
A detachable keyboard structure includes a first magnetic component, a second magnetic component, and a movable component. The first magnetic component is disposed in the wireless keyboard while the second magnetic component is disposed in the computer main body. Th...
07/26/2005
6908096Cover, including hinged door, for trailer hitch receivers of multiple sizes and methods
A receiver cover includes a stationary member that is configured to be secured to an end of a receiver for a trailer hitch. The receiver cover also includes a door which is hingedly connected to the stationary member. The door may be biased toward the stationary mem...
06/21/2005
6870732Attached panel arrangement of a portable computer
A portable computer host has a display face, a back face and four side faces. First magnetic units and at least one positioning unit are placed on the display face or the back face. An attached panel, having an attaching face and four edges, has second magnetic unit...
03/22/2005
6866623Centrifuge having a magnetic actuator for loading and unloading buckets and a method of loading/unloading the buckets on the centrifuge
For automated centrifugation of samples contained in test tubes, a centrifuge (c) has a rotating head (11) with swing-out buckets (30) for housing the test tubes. Apparatus is provided for automatically positioning each bucket in the centrifugation cha...
03/15/2005
6702144Can apron
A can apron comprising an indented groove cover including an outer flange and a inner flange connected by a lateral surface, the indented groove cover constructed of flexible material providing for the snap-on fitting of the can apron, a magnet, a magnet ...
03/09/2004
6681948Protective cover plate for temporarily covering an electrical outlet box
Herein taught is a novel protective cover plate for temporarily covering a prior art electrical outlet box during the construction process so as to protect the electrical outlet box from contaminants, such as plaster, joint compound, or the like. The cove...
01/27/2004
6626291Container for laser-readable discs with closure means
A container for laser-readable discs with closure means, comprising a tray which is fixed to a flap of a sleeve element and forms at least one seat for detachably accommodating a disc. The container further comprises a permanent magnet that is fixed to th...
09/30/2003
6491177Thin-plate accommodating/transporting container
Disclosed is a thin-plate accommodating/transporting container including a container body for accomodating and supporting a plurality of thin plates while keeping the interior of the container clean, comprising: positioning means, provided at the container bod...
12/10/2002
6390319Beverage magnetizing container
A beverage container volume is exposed to magnetic fields associated with a permanent magnet. A beverage container volume is exposed to a permanent magnet incorporated into a beverage container cap, bottom, collar, holder or overlayer....
05/21/2002
6382450Packaging device equipped with a system for relative positioning
Packaging device for a fluid product, comprising a magnetic system for automatic relative positioning upon closure, comprising a first magnetic means (16) carried by the cap (3) and a second magnetic means (11) carried by the container (1), the first and ...
05/07/2002
6336567Magnetic secured container closure with release by movement of magnetic member
A container for a plurality of thin plates has a driving unit for moving one of a pair of magnetic members, at least one of which is a magnet, embedded in a container body and contained in a chamber in a lid, respectively, to selectively produce attractiv...
01/08/2002
6269587Surf fishing caddy
A surf fishing caddy that includes a float body for supporting a cooler, a tackle box, a number of fishing rod holders, a fish retaining bag, and a number of tether rope attachment posts....
08/07/2001
6206219Apparatus for monitoring the closed position of a locking gas cap
An apparatus for monitoring the closed position of a locking gas cap (10) with a magnet (32) disposed at or in the locking gas cap and a solenoid (42) disposed at the tank connection pipe (12), the locking gas cap (10) having a torque limiter (36), and th...
03/27/2001
6126028Device and means of attachment of electrical junction or device box cover plate
The present invention concerns a means of closing an electrical junction or device box utilizing a cover plate means wherein the electrical junction or device box is not easily accessible. The device of the invention permits the user to securely affix the...
10/03/2000
6109564Electromagnetic, sliding space environment protection satellite door
A magnetically suspended door is described for the protection of spacecraft instrumentation exposed to space. The door is slid between an opened or closed position using electromagnets....
08/29/2000
6076696Corrugated magnetic cover for electric utilities
This invention comprises a removable reusable cover for an electric panel, said cover composed of light weight at least 3-ply corrugated material which is adhered to said electric panel by means of electrically non-conducting magnetic strips on rear edges...
06/20/2000
5996831Closure device
A closure device for a case of an antimagnetic material comprising a box part (1) and a sliding lid (5) requires neither in the lid nor in the box part break-throughs and offers high security against unauthorized opening of the case when at least one perm...
12/07/1999
5967767Cigarette lighter closure device
An improved portable cigarette lighter closure device that provides facile pivoting of the cover between open and closed positions, and which securely retains the cover in the closed position is provided. The closure device incorporates a magnet affixed i...
10/19/1999
5957313Theft preventing device, particularly for bottles
A theft preventing device for an article having a substantially cylindrical end with a substantially ring-shaped bulge, e.g. a bottle or container. The device comprises a releasable body having a clamping means gripping the cylindrical end when in the clo...
09/28/1999
5829622Corrugated magnetic cover for electric utilities
This invention comprises a removable reusable cover for an electric panel, said cover composed of light weight 3-ply corrugated material which adheres to said electric panel by means of electrically nonconducting magnetic strips on rear edges of said cove...
11/03/1998
5704480Moisture-proof resealable pouch and container
The present invention relates to an easy-to-use and effective magnetically resealable moisture-proof pouch containing moisture-curable orthopedic splinting/casting product in bulk form or in individually packaged rolls. The preferred pouch incorporates a ...
01/06/1998
5680978Baby bottle liner dispensing cabinet
A baby bottle liner dispensing cabinet including a housing enclosure having a front housing member, including a dispensing slot, hingedly connected to a back housing member that is positionable in combination with the front housing member to form an inter...
10/28/1997
5624410Magnetic cap for medical appliance to be retained in human body
This invention makes it easy to operate for a medical appliance to be retained in a human body. The magnetic cap (10) includes an annular magnet (2) secured to an upper face of a connecting plug body (1); a disk like magnet (4) secured to an upper face of...
04/29/1997
5534663Electrically shielded enclosure with magnetically retained removable cover
Disclosed is an electrically shielded enclosure having electrical components therein and a removable electrically shielded cover over an opening in the enclosure with a magnetic securement mechanism provided to removably secure the cover to the enclosure ...
07/09/1996
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