Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 4631752 | Disposable garment shield A low cost single layer disposable shield for preventing soiling of the underarm portions of a garment comprising a thin coated circular sheet having a moisture absorbing side, an opposite moisture repellant side and an adhesive means on the repellant sid... | 12/30/1986 |
| 4631753 | Sleeve attachment for multilayered protective coat There is disclosed a novel sleeve attachment for a multilayered protective coat and comprised of a detachable wristlet assembly including a tubular wristlet and a flexible sleeve member circumferentially secured to the tubular wristlet. The flexible sleev... | 12/30/1986 |
| 4631754 | Nursing scarf A nursing scarf of trapezoidal shape to be worn about the neck of a nursing mother over her primary articles of clothing which provides complete privacy from the public eye throughout the nursing process by shielding the mother's breast and midriff, while... | 12/30/1986 |
| 4631755 | Knitted clothing article The knitted clothing article has a nonfeltable base mesh layer. On the outside surface of said base mesh layer a yarn layer is knitted in a said base mesh and consisting of feltable textile fibres and forming loop pile meshes. Due to the interaction of th... | 12/30/1986 |
| 4631756 | Method of making apparel A method of forming and attaching sleeves to a garment, particularly an isolation gown is disclosed. The garment is constructed from a generally rectangular body portion and two sleeve portions. The body portion is cut and folded to form a straight line o... | 12/30/1986 |
| 4631757 | Method for manufacturing a pair of briefs and briefs manufactured according to the method A method for manufacturing a pair of briefs and briefs made according to the method. A blank in the shape of a bag is knitted by means of a circular knitting machine. In the blank there are cut two leg holes in the nature of straight cuts from the hip bon... | 12/30/1986 |
| 4631758 | Protective headgear A protective headgear comprising a helmet and a face mask of flexible material secured to the helmet. When a force capable of causing injury to the headgear wearer is applied to the face mask, the mask deflects to a significant degree, without fracturing,... | 12/30/1986 |
| 4631759 | Base having removable side rails for elevating a toilet A base having removable side rails for elevating a toilet for use by physically handicapped or elderly persons is disclosed. The base is formed generally in the shape of a flat rectangle having a height equal to the amount by which it is desired to elevat... | 12/30/1986 |
| 4631760 | Automatic flushing system An automatic flushing system for use with toilets or urinals which includes a tank having a siphon outlet and a hollow float which has a water access port and an air access port. There is also provided support means for supporting the float for generally ... | 12/30/1986 |
| 4631761 | Patient transfer trolley A patient transfer trolley of the type which is used to transfer patient from a hospital bed to another location such as an operating theatre or an ambulance or a treatment room. The invention is concerned with a type of trolley which is on wheels and has... | 12/30/1986 |
| 4631762 | Hospital bed with toilet facility A basically conventional hospital bed is provided with one side portion of the intermediate length area of the mattress of the bed mounted from the bed frame for horizontal shifting toward a laterally outwardly projecting position in a manner such that an... | 12/30/1986 |
| 4631763 | Retractable bed with a pivoted screw drive A retractable bed includes a self-standing enclosure frame having tracks with curved segments at opposite ends of the enclosure. A mattress support frame formed of interconnected hinged sections has rollers which engage the tracks such that the mattress f... | 12/30/1986 |
| 4631764 | Console bed A collapsible bed is disclosed, foldable upright for storage in an article of furniture. The frame of the bed is formed of three connected longitudinal sections supported by three pairs of floor-engaging legs. The rear section is foldable over the middle ... | 12/30/1986 |
| 4631765 | Modular covering and a method of assembling the same A covering module is formed of a pair of sheets of flexible material superposed and connected along adjacent marginal edges, leaving at least one opening, and a strip of flexible material is connected to the marginal edges of one of the sheets with the sh... | 12/30/1986 |
| 4631766 | Neonatal infant seat An infant seat for holding low birth weight neonates which supports an infant in such a manner as to prevent most position-induced deformities from occurring. The seat includes a head-receiving cavity, a back-supporting region and a buttocks-receiving hol... | 12/30/1986 |
| 4631767 | Air flotation mattress A ventilating, patient-supporting mattress apparatus is provided which provides full patient support solely by means of pressurized airflow and with the complete absence of internal solid support structure which can cause pressure sores or the like on a p... | 12/30/1986 |
| 4631768 | Composite bed mattress The invention provides a composite bed mattress comprising a first, relatively firm foam layer and a second, relatively soft foam layer said first and second layers being disposed in face to face contiguous relationship to one another, wherein the first f... | 12/30/1986 |
| 4631769 | Combination tool for opening, sealing, and puncturing a paint can A tool is provided for use with a paint can and a lid adapted to be positioned within a generally peripherally arranged channel in the paint can. The tool includes first and second spaced prongs and a downwardly extending spike, all of which extend downwa... | 12/30/1986 |
| 4631770 | Hand tool/protective device A compact hand-held device adapted for alternative use as a protective weapon, a tool or a key holder is disclosed. A hollow cylindrical member having an open end and a closed end includes a chamber for storing a plurality of tool elements. A removable cl... | 12/30/1986 |
| 4631771 | Clothes washing machines A clothes washing machine includes a container within which a spin tub is rotatably mounted, an agitator mounted within that spin tub, driving means including a reversible electric motor to drive the spin tub and agitator, and controls are provided to cau... | 12/30/1986 |
| 4631772 | Tension arch structure A structural system for use in bridges, buildings and other structures. The system supports part of its load by tension action and part of its load by arch action. Cables are stretched and anchored between end supports. Lateral compressive elements are pl... | 12/30/1986 |
| 4631773 | Apparatus for removing fines from copper wires Apparatus for removing fines from a plurality of copper wires advancing generally upwardly in a common plane, comprising three brush rollers each having a generally cylindrical outer brushing surface of a fur-like fine pile material in brushing contact wi... | 12/30/1986 |
| 4631774 | Dust collecting apparatus The present invention is an improvement in a dust collecting apparatus of the type having a dust receiving pan with a flat bottom wall, a straight lip at a leading portion of the bottom wall and a dust containing wall extending upwardly from the bottom wa... | 12/30/1986 |
| 4631775 | High speed floor burnisher A driver assembly for the pad of a high speed floor burnishing machine includes a flexible backing plate having a peripheral retaining skirt which centers the pad on the driver assembly and also prevents the edges of the pad from growing or expanding to a... | 12/30/1986 |
| 4631776 | Foot operated door check A door check consisting of a base plate having a check plate pivotally attached thereto so as to be pivotable upwardly therefrom to abut and check a swinging door, the base plate and the check plate being substantially the same shape and size, the base pl... | 12/30/1986 |
| 4631777 | Gravity door hinge A gravity door hinge in which a cam is inserted non-rotatably into the lower half of a socket provided in a fixed member, the upper end of an axial rod is inserted non-rotatably into an axial bore hole provided in a rotational member, a cam follower is fi... | 12/30/1986 |
| 4631778 | Self locking door retarder and hinge A door and hinge mechanism particularly adapted for use in a conical hopper where the door may be on the down side of the hopper. The hinge pin connecting the fixed hinge element with the movable hinge element is placed under tension by springs such as Be... | 12/30/1986 |
| 4631779 | Animal slaughtering apparatus with its cartridge feeder advanced automatically, simultaneously with the resetting of the firing pin An automatically loaded animal slaughtering apparatus comprises means (18, 20) for the stepwise advancement of a cartridge strip feeder (1) and means (13) for resetting the firing pin (10) after firing a cartridge (2); the cartridge feeder is advanced by ... | 12/30/1986 |
| 4631780 | Hand skinner device A hand skinner device for removing strips of skin from animal carcasses comprises an elongate handle including an air motor and having a housing mounted at one end thereof. The housing has a skinning blade supported thereon and a revolvable tooth roll ass... | 12/30/1986 |
| 4631781 | Conditioned gas flow methods for processing and cleaning fiber, including aeromechanical and electrodynamic release and separation Apparatus and methods for controlled application of aeromechanical and electrodynamic release and separation forces to foreign particulate matter in fiber materials are disclosed. A number of elements are employed in various combinations. One important el... | 12/30/1986 |
| 4631782 | Self-locking flat clamping band One-piece self-locking flat clamping band for the fastening and binding of electrical conductors, cables or tubes of pneumatic distribution devices and of similar elements in mechanical engineering and agriculture, the band being able to repeatedly used. ... | 12/30/1986 |
| 4631783 | Holding unit A holding unit for holding one or a plurality of tools and articles comprising a holding portion having resilient thin plates or segments divided by a plurality of radially extended slits at a predetermined angular distance and arranged in a ring or in an... | 12/30/1986 |
| 4631784 | Buckle for securing a strap or the like The buckle consists of a buckle body, an angled buckle cover and a slider. The buckle cover is provided with a plate for engaging a band that is to be fixed. Cheeks protrude from the longitudinal edges of the plate. The angled buckle cover is movably moun... | 12/30/1986 |
| 4631785 | Clasp for a chain The clasp for a chain consists of three parts, of a casing bent to an U-shape, a plate-like locking member located between the flanks of the casing and pivotably supported by a pin. The locking member has at one of its ends a hook and at the opposite end ... | 12/30/1986 |
| 4631786 | Frame strip for receiving the edge of a sheet material A frame strip for use in window frames or other arrangements for securing the edge of either a flexible sheet or a rigid sheet provides a strip member incorporating a cavity having two sides. One side is straight and the other side is generally parallel t... | 12/30/1986 |
| 4631787 | Buckle having manually releasable interlocking male and female portions A buckle of synthetic resin is composed of a male member and a female member which can be separated from each other and coupled to each other. The male member has an attachment for attachment to a belt or the like, and a connecting portion composed of a c... | 12/30/1986 |
| 4631788 | Apparatus for mechanically conditioning textile materials Method and apparatus to subject the face and back side of a fabric to successive impacting by a plurality of flaps to break up the fiber or filament bond thereof and increase the yarn-to-yarn mobility therein. The fabric is supplied at an angle to the imp... | 12/30/1986 |
| 4631789 | Apparatus for the production of needled, shaped fibrous bodies Apparatus for producing needled fibrous bodies of a predetermined geometrical shape and height or strength of fiber material, particularly as padding elements for the clothing industry.... | 12/30/1986 |
| 4631790 | Apparatus for texturizing of threads of endless filaments An apparatus for texturizing threads of endless filaments comprising a thread infeed portion, a treatment portion and a texturizing portion. The texturizing portion is provided with lamellae forming a so-called slotted nozzle. The lamellae are arranged in... | 12/30/1986 |
| 4631791 | Apparatus for interlacing a multi-filament yarn The apparatus for interlacing a multi-filament yarn within an interlacing passage comprises a slide member movable at essentially right angles to the interlacing passage. The slide member has a jet or blow nozzle opening into the interlacing passage. The ... | 12/30/1986 |
