Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 4656150 | Treatment of sericitic clays to produce an adsorbent, absorbent product An adsorbent, absorbent product can be produced from sericitic clays by removing alumina values from such clays with a mineral acid, removing oil contaminants from such clay with a solvent or solvent mixture and removing amorphous silica from them with a ... | 04/07/1987 |
| 4650438 | Magnetically coupled toy A toy has a housing with a surface therein. Located underneath the surface is a pivot member which carries a carriage member thereon. The pivot member rotates about an axis of rotation, and the carriage member slides on the pivot member so as to move radi... | 03/17/1987 |
| 4640314 | Enclosed conduit An enclosed conduit for use with cables, wires, lines and the like is preferably constructed using two separate extrusions which is formed of a self supporting resilient material. The first of these is a U-shaped base having side edges, the second is a co... | 02/03/1987 |
| 4631921 | Float for wave energy harvesting device A float for supporting a submerged wave energy harvesting device includes a conical member which is buoyant on the surface of the body of water with its base located upwardly above the surface of the body of water and its apex submerged just below the sur... | 12/30/1986 |
| 4629113 | Furnace controller A device for augmenting the control of a forced air furnace includes a heat probe which is located in association with a furnace heat exchanger so as to sense the air temperature of air passing across the heat exchanger. The probe is connected via a buffe... | 12/16/1986 |
| 4623320 | Flywheel controlled toy A moveable toy which includes a motor for producing motion. Associated with the motor is a motor controller for accelerating and deaccelerating the motor. A rotary element is driven by the motor. Associated with the rotary element is a flywheel which is c... | 11/18/1986 |
| 4619625 | Construction toy A construction toy has a first module which includes a bellows and a bulb with a tube connecting the two. The bellows includes a connector on each of its ends. Second modules each having connectors which mate with the connectors on the bellows, attached t... | 10/28/1986 |
| 4618330 | Toy amusement device An amusement toy includes a first member which is cylindrical in shape and is located within a housing. This first member is capable of rotating on the housing. A second elongated member is located within the center of the cylindrical shaped first member ... | 10/21/1986 |
| 4612928 | Method and apparatus for supplying a gas to a body An apparatus which minimizes the amount of oxygen needed to maintain a specific oxygen level in the blood of an individual can be constructed so as to use a transducer and other circuit components to obtain a first series of pulses or signals correspondin... | 09/23/1986 |
| 4612472 | Remote controlled toy utilizing piezoelectric element A remote control toy has a main housing and a remote housing. A radio receiver is located in the main housing for receiving transmitted radio signals. The main housing includes a plurality of elements moveably mounted thereon which are set in motion by a ... | 09/16/1986 |
| 4610638 | Infant activity toy An activity toy, having a spherical housing which is flattened at its poles so as to be supportable at two places on a support surface, has an elongated helical member which extends within the interior from one of the poles to the other. A bushing is fitt... | 09/09/1986 |
| 4610637 | Toy vehicle having rotating element A toy vehicle has a body having left and right side walls and an arcuate wall extending from front to rear located inbetween the left and right side walls. The body is supported by wheels, a portion of each of the wheels extending upwardly through an open... | 09/09/1986 |
| 4600399 | Sequential action toy having a plurality of cams A sequential action toy has a housing with a motor located in the housing. A disc is connected to the motor with the motor rotating the disc within the housing. The disc has a first and second cam surface located on it with the first cam surface extending... | 07/15/1986 |
| 4599875 | Gate lock structure A locking device for connecting a first structure to a second structure has a lock body receptacle attaching to one of the structures. The lock body receptacle has a hollow interior and includes an opening allowing the insertion of a padlock type lock bod... | 07/15/1986 |
| 4591346 | Self-righting vehicle with means for locking drive wheel A toy vehicle having a chassis and a plurality of wheels mounted on the chassis includes a wind up motor which is connected to at least one of the wheels. At least one detent is located in association with the wheel which is connected to the wind up motor... | 05/27/1986 |
| 4589660 | Miniature action toy A miniature action toy suitable for strapping to the wrist of the user includes a windup motor having a control pawl and ratchet wheel. An indicia carrier strip is located on two spools which are driven by an output gear of the motor. A first control elem... | 05/20/1986 |
| 4584950 | Display rack A display rack for video tape containers and other similar articles includes a support rack which is fixed to a support surface. A plurality of bracket members are connected to the support rack utilizing a combination of two opposing channels and two proj... | 04/29/1986 |
| 4579538 | Construction toy A construction toy utilizes a plurality of tubular elements which are connectable to each other or are connectable to one or more hollow members. Each of the tubular elements has a first skirt on one end and a second skirt on its opposite end which are of... | 04/01/1986 |
| 4579437 | Apparatus for processing photographic films including dental x-ray films An apparatus for processing radiation sensitive film, particularly dental x-ray film, has a housing with tanks located thereon capable of holding developer, fixer and wash. An arcuate shaped track is located on the housing in association with the tanks. A... | 04/01/1986 |
| 4576583 | Toy capable of executing multiple moving modes A moving toy has a plurality of rotating elements located along opposite sides of its body. A motor is connected to these elements via a gear train so as to rotate the elements on the body. A plurality of sets of movable members each are capable of indepe... | 03/18/1986 |
| 4573928 | Teaching toy A teaching toy has a housing with a viewing screen located in the housing. Positioned behind the viewing screen is an indicia carrier located on rollers. A plurality of indicia is located on the surface of the indicia carrier. By rolling the indicia carri... | 03/04/1986 |
| 4572177 | Oxygen therapy apparatus An apparatus for use in oxygen therapy can be constructed so as to include a gas holder appearing more or less as a pendant which includes a variable volume internal chamber and so as to use a line for continuously delivering oxygen to the holder and a co... | 02/25/1986 |
| 4571557 | Wide band transistor oscillator An oscillator includes two transistors or like devices having their emitters connected to a common of a power source. The two transistors or like devices are interconnected with the base of the first connected to the collector of the second and the base o... | 02/18/1986 |
| 4571212 | Spark emitting fly wheel driven vehicle A toy vehicle is supported on one end by at least one wheel and on the other end by a fly wheel which is capable of being energized by pulling a gear rack across a pinion which is connected to the fly wheel. On one of the side surfaces of the fly wheel, a... | 02/18/1986 |
| 4570355 | Apparatus and process related to keying a lock with a control key For use in combination with a pin-tumbler lock cylinder of the type having a key plug nested within a control cylinder which in turn is nested within a main body cylinder and including a plurality of bores extending through the key plug, the control cylin... | 02/18/1986 |
| 4569164 | Operable wall system An operable wall system which is especially desirable for use with large and/or heavy wall panels can be constructed so that each panel in the system is supported from a track structure by two separate trolleys. The track structure includes a terminal sec... | 02/11/1986 |
| 4569093 | Seat structure A seat structure capable of being manipulated between a normal seat or chair position and a bed position can be formed so that the seat bottom and the seat back are used along with a base of the seat structure as parts of a five-bar linkage system. A stru... | 02/11/1986 |
| 4566616 | Containers and holders for use in securing such containers to belts A container can be detachably secured to a holder carried by a belt through the use of coacting structures on the container and the holder which serve to prevent movement of the container away from the holder until an appropriate portion of the holder is ... | 01/28/1986 |
| 4565794 | Production of silica gel and an adsorbent, absorbent product from sericitic clay Sericitic clays can be treated so as to produce silica gel and an adsorbent, absorbent product capable of being utilized in many different applications. In treating such clays to produce such products, finely ground clay particles are digested with an alk... | 01/21/1986 |
| 4561723 | Electronic stereoscopic viewing device An electronic stereoscopic viewing device has an electronic signal generator which is coupled electronically to a liquid crystal display screen. The display screen upon receipt of a signal from the signal generator displays first and second views of an im... | 12/31/1985 |
| 4559796 | Door lock status indicator A status indicator for a door lock which is capable of being activated by a tail piece of the door lock has a first linking member which is operatively attached to the tail piece so as to be rotated by the tail piece and a second linking member which atta... | 12/24/1985 |
| 4556250 | Transportable article holder for stadium-type chairs An article holder for stadium type chairs includes a support member which is positioned and held underneath the seat portion of a stadium type chair by a holding sock which slips over the seat portion. A shelf is slidably attached to the support member an... | 12/03/1985 |
| 4555237 | Walking and rolling toy A toy has a body with a fly wheel rotatably mounted in the body. First and second appendages are rotatably mounted to the body and are connected to the fly wheel by a gear train. Further, a member is movably mounted on the body. When the member is in a fi... | 11/26/1985 |
| 4553947 | Shifting mechanism for motorized toy A shift mechanism for a motorized toy includes a shift lever which is mounted on the toy so as to be able to move back and forth along an X axis and back and forth along a Y axis. The toy includes an electric motor and electric power supply for powering t... | 11/19/1985 |
| 4549910 | Process for the protective sealing of anodic aluminum oxide and its alloys which confers a particular resistance to agressive alkaline agents A process for sealing anodic oxide coating on aluminum and aluminum alloys wherein organic substances with hydrolyzable functional groups like organo-functional silanes react with water at room temperature forming a silantriolic compound [according to the... | 10/29/1985 |
| 4545933 | Hydrolyzed protein composition and process used in preparation thereof A hydrolyzed protein based on casein is prepared utilizing a process wherein casein as a solid is treated with sodium or potassium hydroxide in the presence of a limited amount of water. The amount of water utilized is insufficient to solubilize the casei... | 10/08/1985 |
| 4545368 | Induction heating method for use in causing necrosis of neoplasm Induction heating can be utilized to cause necrosis of neoplasm as a result of hyperthermia by a process involving the injection of particles having hysteresis heating characteristics into tissue either within or in close proximity to the neoplasm and the... | 10/08/1985 |
| 4541813 | Device for controlling wheeled vehicles A launching device for wheeled toy vehicles has a housing with a vehicle support surface located on the housing. An opening is located in the support surface so as to allow one of the wheels of the vehicle to be partially located within the opening. An el... | 09/17/1985 |
| 4541812 | Illuminating toy utilizing captive light conducting elements A toy for displaying an illuminated pattern has a first and second panel located in a housing, each panel including an equal number of a plurality of openings aligned with the openings of the other panel. Located between the panels are light conducting me... | 09/17/1985 |
| 4541807 | Device for demonstrating occlusion and the effects thereof on the temporomandibular joint A device useful in demonstrating occlusion and the effect thereof on the temporomandibular joint can be constructed so as to use an upper member shaped so that portions of it simulate a maxilla, maxillary teeth and a fossa and so as to use a lower member ... | 09/17/1985 |
