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| Number | Title | Issue Date |
| 4236257 | Women's undergarments including ventilated crotch assembly The present invention is directed to a female undergarment having a panty portion and includes a novel crotch covering portion of two superimposed faces. Both faces are of non-thermoplastic moisture absorbent fibers, and each face has a network of opening... | 12/02/1980 |
| 4236258 | Automatic swimming pool cover An automatic cover for a liquid storage container and a method of control corresponding thereto including a cover disposed within the container, a membrane connected to a portion of the storage container and connected along a peripheral portion of the mem... | 12/02/1980 |
| 4236259 | Spa cover An insulative spa cover of the floating type used for reducing loss of heat from the warm water in the spa to the air above the water consists of a sheet of stiff plastic foam shaped to fit the spa. The outer portion of the sheet includes a number of pane... | 12/02/1980 |
| 4236260 | Sofa sleeper with polypropylene deck assembly A polypropylene fabric for a sofa sleeper mechanism which includes a conventional foldable frame having a plurality of relatively movable sections that are movable between side-by-side, bed-forming positions and vertically stacked seat-forming positions. ... | 12/02/1980 |
| 4236261 | Pivot top for stretcher or the like A patient stretcher, bed, or the like having a tiltable mattress support section driven by an actuator having a release clutch mechanism. A sliding joint between the tiltable top section and the actuator permits the clutch to disengage at various angular ... | 12/02/1980 |
| 4236262 | Support grid and spring unit for a box spring foundation unit A grid structure for engaging and supporting a plurality of coil springs in predetermined spatial relationships so that spring units and completed box spring foundation units can be produced having different numbers of coil springs and consequently differ... | 12/02/1980 |
| 4236263 | Sleeping bag for children A sleeping bag having an upper side and an under side and an opening at one end is provided with indicia representing a creature, the mouth parts of which are aligned with the open end so that a user entering the sleeping bag at the open end is given the ... | 12/02/1980 |
| 4236264 | Retained compressible pillow support There is disclosed a generally horseshoe shaped pillow support including a closed tubular flexible envelope in the shape of a horseshoe and including a horseshoe return having a pair of transversely spaced apart legs projecting co-extensively forwardly fr... | 12/02/1980 |
| 4236265 | Portable traction apparatus A portable bed, cot or "gurney" is modified to produce an apparatus which permits movement of a patient while under full traction. This is accomplished by a novel arrangement of stanchions, longitudinal and cross-bars supporting pulley rope and spring arr... | 12/02/1980 |
| 4236266 | Collapsible automotive tool A collapsible tool for rotating a threaded member on a receiving threaded member and adapted to perform a plurality of mechanical operations associated with the removal and replacement of an automobile tire and wheel assembly. The tool includes a pair of ... | 12/02/1980 |
| 4236267 | Canoe and paddle support A canoe and paddle support to facilitate attachment of paddles to a canoe for storage, auto transport, and particularly portaging of the canoe. The invention has a body preferably made of a resilient material. The body has a lateral slot adapted to remova... | 12/02/1980 |
| 4236268 | Technique and articles for forming shoe shanks A strip which will form a rigid shoe shank is applied to the bottom of an insole. The shank strip is flexible and includes a carrier sleeve which contains a plurality of fiberglass strands in a thermosetting plastic matrix. After the shank strip is in pla... | 12/02/1980 |
| 4236269 | Vertical axis brush A vertical axis brush for use with a rotary floor maintenance apparatus is disclosed. The brush includes a holder plate having an integral peripherally extending and depending skirt to which are detachably secured a plurality of brush segments. Each brush... | 12/02/1980 |
| 4236270 | Window cleaning device A device having angular and rotatable linkage between a handle and squeegee blade for manipulating the blade on the surface of glass being cleaned.... | 12/02/1980 |
| 4236271 | Brush attachment for tennis racket A brush attachment for a tennis racket including a plurality of bristles embedded in a flexible body member having a channel formed therein for fitting over and conforming to the shape of a tennis racket bow. A strap is removably attached to each end of t... | 12/02/1980 |
| 4236272 | Hinge comprising a compression spring, which is adapted to balance the weight of a hinged leaf The hinge comprises a compression spring, which is adapted to balance the weight of a hinged leaf, such as a flap, lid or door. The compression spring is prestressed and bears at one end on the stationary hinge member and at the other end acts by means of... | 12/02/1980 |
| 4236273 | Spring-like hinge An automobile litter box includes an enclosed volume open at one end which provides a receptacle with a base which is curved and adapted to rest on the outer periphery of an automobile transmission and drive shaft tunnel. A pair of arcuate arms are rotata... | 12/02/1980 |
| 4236274 | Pantographic open-close device Two contraction-expansion pieces each have one end thereof connected to a base plate secured to a main body containing therein an opening and the other end thereof connected to a base plate secured to a lid serving to open and close the opening of the mai... | 12/02/1980 |
| 4236275 | Process for the filleting of fish A process for filleting unbeheaded fish, or beheaded fish with the collar bones still adhering to the body to be filleted conveyed tail forward comprises performing belly filleting cuts, back filleting cuts and rib cuts. The fillets are cut free by severi... | 12/02/1980 |
| 4236276 | Bivalve mollusk shucking apparatus and method Clams are conveyed in support cradles first past liquid nitrogen applying nozzles then through high intensity flame to effect opening of the shells of the clams which are then dumped into a tumbler and then into a flotation tank for final flesh-shell sepa... | 12/02/1980 |
| 4236277 | Crustacean shelling apparatus A crustacean shelling apparatus includes a cupped wheel feed assembly positioned transversely adjacent and centered on a pair of counterrotating vertically mounted squeeze rollers. The cupped wheel feed assembly includes a plurality of outwardly opening c... | 12/02/1980 |
| 4236278 | Planetary coiler especially useful for coiling textile strand material A planetary coiler for strand material includes a circular rotary stabilizing member in which a coiler member is eccentrically positioned for rotation therein, and drive arrangements are connected to the coiler member for imparting rotation thereto and fo... | 12/02/1980 |
| 4236279 | Planetary coiler A planetary coiler for depositing a sliver in a stationary can comprising a rotary disc mounted on a stationary frame by way of a thrust bearing, a sliding supporting member slidably mounted on the inner side of the rotary disc, a coiler plate mounted on ... | 12/02/1980 |
| 4236280 | Releasable tie A molded, one-piece plastic strap clamp for binding a plurality of members together comprising a base portion having a free end, a plurality of teeth formed on one side of the base portion intermediate the ends, and a body formed at the other end of the b... | 12/02/1980 |
| 4236281 | Rope attaching device A rope attaching device for splicing or forming a loop within a synthetic or natural fiber rope. The device includes a splicer body that is formed in two separate sections. Each section includes at least one rope receiving channel that is concave in cross... | 12/02/1980 |
| 4236282 | Helical coil rope fastening device A fastener for rope and the like for locking into place any desired size loop or length in said rope. The fastener includes a continuous rod formed into a closed eye adjacent one end and a spiral formed of spaced coils adjacent the other end. Interposed b... | 12/02/1980 |
| 4236283 | Coupling A quick connect and disconnect coupling for connecting the free ends of chains, wires or cables and more particularly for connecting the free ends of pieces of jewelry such as bracelets, chain bracelets, neck chains, necklaces and the like. The coupling o... | 12/02/1980 |
| 4236284 | Solid slide fastener capable of effecting strong union A solid slide fastener capable of effecting strong union which carries out the engagement and disengagement of fastening elements from right-angle direction with respect to a direction where external force is mainly given to tapes at the connection of the... | 12/02/1980 |
| 4236285 | Curved roll having sealed torsional coupling between roll sections A curved roll with a longitudinally-curved axle which supports roll sections or spools by way of roller bearings seated on the axle has a flexible torque coupling between adjacent spools. Each coupling flexes to accommodate the curvature of the roll and b... | 12/02/1980 |
| 4236286 | Manufacture of knitted synthetic fur fabric Process technology is provided for making a synthetic fur piece from a sliver knit, high pile, differentially transversely knitted, longitudinally patterned, unstabilized starting fabric having a pile containing heat shrinkable fibers. The process involve... | 12/02/1980 |
| 4236287 | Method of making a ruggedized high current density cathode A high current density cathode capable of operating at current densities of A/cm2 to 30A/cm2 in the temperature range of 900 degrees C. to 1125 degrees C. is prepared by machining a porous high purity tungsten pellet containing copper... | 12/02/1980 |
| 4236288 | Method of fabricating heat transfer conduits A method of fabricating a plurality of heat transfer conduits is disclosed wherein an elongated metal pipe is evacuated, a predetermined quantity of heat transfer fluid is placed within such evacuated pipe and the pipe ends sealed airtight. The elongated ... | 12/02/1980 |
| 4236289 | Apparatus and method for fabricating pulleys There is disclosed herein a method and apparatus for fabricating a pulley which the pulley rim is fabricated from a cylindrically-shaped blank of constant diameter which is deformed by relatively movable die forming members so as to form a ring having a ... | 12/02/1980 |
| 4236290 | Fan puller The fan puller is a special purpose tool utilized mainly for removing the fan element from the motor drive shaft of an air conditioning unit. The fan puller has a pair of hinged heads each of which includes a shaft receiving recess formed therein. These r... | 12/02/1980 |
| 4236291 | Bearing carrier puller for outboard motors A bearing carrier puller for outboard motors including a generally bell shaped puller block, the large end face of which provides a plurality of concentric grooves for selective seated engagement about a peripheral ridge defining an opening about the prop... | 12/02/1980 |
| 4236292 | Method of positioning, gapping and applying stop to slide fastener A positioning member is moved transverse to a slide fastener chain after advancement of the slide fastener chain to a gapping and stop applying station to position fastening elements of the slide fastener chain in a channel extending in the station. The s... | 12/02/1980 |
| 4236293 | Method and apparatus for forming space sections in a slide fastener A method and apparatus for forming space sections in a continuous length slide fastener chain in which the interlocking elements fastened on the carrier tapes within the section are pressed and deformed with a punch-die unit having a composite punch compo... | 12/02/1980 |
| 4236294 | High performance bipolar device and method for making same A method for manufacturing a high performance bipolar device and the resulting structure which has a very small emitter-base spacing is described. The small emitter-base spacing, reduces the base resistance compared to earlier device spacing and thereby i... | 12/02/1980 |
| 4236295 | Method of making rotor coil of coreless motor A method of making cylindrical rotor coil for use in coreless motors is provided whereby the coil is of a reduced thickness with compressed coil turns enabling the stator magnetic gap distance to be reduced, thus enabling a higher flux density to be utili... | 12/02/1980 |
| 4236296 | Etch method of cleaving semiconductor diode laser wafers Double heterostructure (Al,Ga)As wafer comprising layers of gallium arsenide and aluminum gallium arsenide on a metallized n-GaAs substrate are separated into individual devices for use as diode lasers. In contrast to prior art techniques of mechanically ... | 12/02/1980 |
