Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 5481952 | Slasher saw blade assembly A replaceable cutting tooth for a slashing saw, wherein the tooth includes a pair of upper cutting tips with rearwardly divergent adjacent cutting edges and a pair of lower cutting tips also with rearwardly divergent adjacent pairs of cutting edges, such ... | 01/09/1996 |
| 5454932 | Cassette display case A bottom open display case for jacketed cassettes wherein the jacket is retained in the display case which itself is of transparent plastics material. A base is attached to the bottom end of the display case and is slidable laterally from a closed positio... | 10/03/1995 |
| 5446987 | Muzzle-loaded expanding projectiles for firearms; kits for manually producing expanding projectile for muzzle-loaded firearms; and method for producing expanding muzzle-loaded projectiles A system modified so that an axial ram rod, centering jag and configuring die can be used to simultaneously tamp or size a projectile while forming the projectile into a hollow-nose type which mushrooms when configuring a spherical or double-ogival projec... | 09/05/1995 |
| 5439349 | Exhaust fan apparatus An exhaust fan to be mounted on a roof and for exhausting spent gases from a building, including a centrifugal fan scroll casing with a centrifugal fan impeller mounted on an axle within the casing and having an axis of rotation at right angles to the sid... | 08/08/1995 |
| 5353827 | Process for producing pasty paraffin An apparatus and a method for producing pasty paraffin from liquid paraffin comprises the use of an agitator for mixing the paraffin during its solidification within a receptacle. The viscosity of the paraffin is controlled by the monitoring of the power ... | 10/11/1994 |
| 5337770 | Collapsible umbrella The invention relates to a collapsible umbrella having a canopy frame which s collapsible in an at least four-fold manner and a stick (1) which is telescopic in an at least four-stage manner as well as a slide (2) displaceable on this said stick for canopy... | 08/16/1994 |
| 5327882 | Continuous passive motion device A continuous motion device for the therapy and rehabilitation of a patient's hand and fingers comprises a splint adapted to be mounted to the patient's forearm and hand, a gear housing rotatably mounted around a reversible motor, with the reversible motor... | 07/12/1994 |
| 5318187 | Merchandising systems In a merchandising system of the type utilizing a pegboard, slatboard, or wire grid, a wire rack is provided which includes hook brackets for suspending the wire rack on the display panel, and the wire rack includes several collars formed thereon for rece... | 06/07/1994 |
| 5303752 | Saw tooth holder A cutting tooth holder for circular saws used on felling heads. A plurality of the holders are mounted on a circular saw disk about its rim. Each holder has a clevis shape with the leg of the holder that is on top of the saw disk being relatively short co... | 04/19/1994 |
| 5295661 | Knife valve A knife valve comprises a body defining a valve seat and a knife blade longitudinally movable by a cylindrical stem in the body for opening and closing a lateral flow passage defined therethrough. The body includes a bonnet with the stem extending thereth... | 03/22/1994 |
| 5271258 | Method and apparatus of forming one-piece core cap stamping with keyway A core cap is formed from a one-piece sheet metal blank in which an inner cylindrical sleeve is formed and a reverse-fold outer sleeve determining a bight therebetween, and a recess is gradually formed by stamping in the bight and the inner sleeve so as t... | 12/21/1993 |
| 5263601 | Cargo container A cargo container is adapted to transport liquids and, alternatively, solid cargo which comprises a box-like housing having rigid side walls and an expansible vessel for containing the liquids mounted inside the box housing. The expansible vessels include... | 11/23/1993 |
| 5255678 | Mapping electrode balloon An electrode balloon for use in anatomical cavities, such as cardiac chambers, to pick up bioelectrical signals from the walls thereof simultaneously in a multitude of sites for the mapping of the activation potentials thereof comprises an inflated tight ... | 10/26/1993 |
| 5253770 | Merchandising unit A merchandising unit comprises a structure having a rear displaypanel and two side spaced-apart parallel panels joined to the rear panel at upstanding columns and further upstanding columns extending at the outer edges of the side panels. A rectangular fr... | 10/19/1993 |
| 5251676 | Cleaning tissue with a rayon cut pile A textile material which consists of interweaving of synthetic filaments as warps and wefts having a fluffy layer of a pile of rayon fixed to the textile material by having its base curved around warps and wefts and wherein the pile is shaved to constitut... | 10/12/1993 |
| 5215200 | Merchandising system In a merchandising system of the type utilizing a pegboard, slatboard, or wire grid, a wire rack is provided which includes hook brackets for suspending the wire rack on the display panel, and the wire rack includes several collars formed thereon for rece... | 06/01/1993 |
| 5211199 | Self-opening topless pocket umbrella The invention relates to a self-opening topless pocket umbrella having a escopic stick and a collapsible canopy framework arranged radially on the stick in the form of scissor-link folding systems which can be spread out by means of an opening spring and... | 05/18/1993 |
| 5179982 | Apparatus for discharging a fluid and, more particularly, for spraying a liquid A liquid dispensing apparatus comprises a container having a peripheral sidewall, a bottom wall mounted at a lower end of the sidewall and a closure removably mounted to an upper end of the sidewall. A flexible tight plastic bag is mounted at an upper end... | 01/19/1993 |
| 5180208 | Quick-disconnect knockdown furniture having a flexible support with a plurality of frame member storage pockets A knockdown furniture, such as a chair, comprises a series of elongated tubular members adapted to be interconnected with quick release automatically locking couplings to form a frame of the furniture. A canvas panel having end sleeves can be mounted to t... | 01/19/1993 |
| 5161264 | Above-ground swimming pool An above-ground frameless pool includes an elongated continuous base with a groove and a flexible sheet metal wall extending along the groove and being joined end to end to form a continuous wall. A coping extends about the top edge of the flexible wall, ... | 11/10/1992 |
| 5156369 | Beach umbrella A ground anchoring arrangement for attachment to, for example, the pole of a beach umbrella or the like consists of a hollow cylindrical member having a rod rotatably supported therein. A spiral screw is attached to one end of the rod, and the other end o... | 10/20/1992 |
| 5152397 | Combination holder and container A water charcoal filter is recycled by removing the exhausted charcoal from the plastics container forming the charcoal filter and replacing it with a solid vaporizing substance such as mothballs or a deodorizing substance, closing the lid on the containe... | 10/06/1992 |
| 5149154 | Door latch A rivetless door latch having a housing with a latch bolt having a pair of side plates and pivot pins seated in pivot sockets in the top of the housing and a lever with a dog leg having pivot pins seated in the pivot sockets in the base of the housing. Th... | 09/22/1992 |
| 5144970 | Self opening umbrella The invention relates to a self opening umbrella having canopy rods (D) wh can be shortened in at least a twofold manner and having a stick (1) which is telescopic in at least two stages and has on it a displaceable slider (2), to which lower struts (3) ... | 09/08/1992 |
| 5144971 | Shortenable umbrella A shortenable umbrella has a frame with three part canopy-supporting rods 1, D2, D3) which are respectively associated with two interacting parallelogram linkage (P1, P2). A corner of one linkage (P1) is provided by a pin and slot (9,9a) of which the pin ... | 09/08/1992 |
| 5135016 | Folding umbrella frame guide structure The invention relates to a collapsible umbrella having at least one pair of anopy rod parts (1,2), which extend alongside one another and are guided so as to be displaceable on one another, within each linkage of the canopy-supporting linkage frame. One of... | 08/04/1992 |
| 5131301 | Paper cutting machine A sensing mechanism for use with a paper cutting machine having a table for supporting a pile of sheets to be cut. There is provided a knife for cutting the pile, a movable clamp for the pile, a back gauge for movement along the table against the pile to ... | 07/21/1992 |
| 5113919 | Feller head A feller head having a circular saw at the base thereof with a housing surrounding the circular saw, and an opening in the housing exposing the circular saw. A movable guard can be rotated between an open position within the housing and a closed position ... | 05/19/1992 |
| 5112221 | Extrusion spring arm To aid in the eruption of palatally impacted teeth, an elongated resilient wire, having a loop formed at one end thereof and a coil spring formed at the other end thereof, is attached to an archwire fixed to the patient's mouth, at the coil spring end the... | 05/12/1992 |
| 5107552 | Swimming pool cover and roll-up device A swimming pool cover and roll-up device combination comprising a flexible shaft extending intermediate of the swimming pool cover from one edge to an opposite edge, with the flexible shaft being connected at least intermittently along its length to the s... | 04/28/1992 |
| 5108108 | Tossable strategy-type game with playing surface A tossable strategy-type game comprising a body adapted to be tossed and caught during play, the body including a playing surface. A plurality of playing pieces are associated with the playing surface, the playing pieces each having attachment means for r... | 04/28/1992 |
| 5100303 | Agitator and pump assembly An agitator and pump assembly adapted to be trailed behind a vehicle and to be moved into a manure pond, wherein the apparatus includes a pump housing at the end of an elongated frame supported on a wheeled sub-frame. The wheeled sub-frame is pivotally co... | 03/31/1992 |
| 5065971 | Height adjustable plant hanging device A height adjustable device for suspending a planter comprises a locking member adapted to be mounted above the planter, a handle member and a cable attached at a first end thereof to the planter. The cable passes through the locking member and is wound ar... | 11/19/1991 |
| 5063952 | Self opening umbrella An improvement in self-opening umbrella frames having either a one-piece or elescopic stick and a main slide and an auxilary slide on the stick to operate the a frame-rib structure which is opened automatically by a coil spring compressed between these two... | 11/12/1991 |
| 5060332 | Cable stayed bridge construction A cable stayed bridge which includes a pair of towers on either side of a gap and a roadway deck extending across the gap between the towers and cable stays fanning out from the top of each tower to separate longitudinally spaced load-bearing points on th... | 10/29/1991 |
| 5052418 | Solar body tattoo A tattooing device for producing a temporary predetermined image on the human skin by the action of skin tanning rays comprises a template having a laminated structure which comprises a flexible first layer and a removable second layer. A central opening ... | 10/01/1991 |
| 5052553 | Container having manually openable closure for mixing In a packaging unit comprising a container, a flexible closure mounted thereto and at least one compartment located underneath the closure within the container. The compartment is adapted to release its content in the container when the closure is peeled ... | 10/01/1991 |
| 5036784 | Boat mooring apparatus A boat mooring apparatus which includes a pair of identical boat frames adapted to be mounted on the edge of a dock with straps extending between the ends of each respective boat frame, under tension. A quick release device is provided on the frame for sl... | 08/06/1991 |
| 5031343 | Mounting bracket for side wing plow A mounting bracket for mounting the rear post of a side wing plow is provided wherein the bracket is adapted to be mounted to the frame of the snow plowing vehicle. The side wing plow includes a rear post with a carriage for mounting the side wing plow. A... | 07/16/1991 |
| 4998498 | Knockdown sailboat A knockdown sailboat adapted to be stowed in a carrying case which includes inflatable hulls, a frame made up of longitudinal sectional tubular members connected securely to spaced-apart lateral tubular frame members, and a telescopic sectional mast stepp... | 03/12/1991 |
