...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 4827534 | Sun-powered vest A vest garment to be worn by persons working out of doors and which has an array of photovoltaic cells mounted on the back panel thereof. The individual cells are connected in series relationship with one another across a pair of output terminals which ar... | 05/09/1989 |
| 4827535 | Hand covering having cooperating fasteners on the finger and thumb portions thereof A hand covering such as a mitten or glove employing a VELCRO.RTM. fastener wherein the hook portion of the fastener is secured to the thumb portion and the loop portion of the fastener extends across the back of the finger portion and configured to corres... | 05/09/1989 |
| 4827536 | Necktie with holding means A necktie having a narrow end and a wide end accommodates an elongated slot in the underside of the narrow end. A mesh having elongated apertures is formed in the slot. In one embodiment, a pair of loops support a slideably mounted button holder which eng... | 05/09/1989 |
| 4827537 | Protective helmet of the movable segment type A protective helmet has a plurality of segments that are interhinged for swinging movement between an expanded operating position and a collapsed non-operating position, and have cooperating ribs and recesses to maintain them in the expanded operating pos... | 05/09/1989 |
| 4827538 | Mixing fixture for flexible-pipe spray head A faucet for mixing hot and cold water especially for a wash fixture, wash bowl or the like comprises a faucet housing connectable to hot and cold water supply pipes having a mixing or outlet chamber which is connected with a water outlet piece which is a... | 05/09/1989 |
| 4827539 | Adjustable closet floor flange Adjustable fixture and closet floor flange having an upper flange part with an upper flange; a downward facing rib section which has circular horizontal ribs joined by vertical ribs, which are connected with the upper flange. It also has a lower flange pa... | 05/09/1989 |
| 4827540 | Combination bedpan cushion and waste bag A disposable combination bedpan cushion and waste bag assembly having a cushion top formed into the size and shape of the seat portion of a bedpan and including a center opening similar to that of the seat portion of the bedpan. The waste bag is permanent... | 05/09/1989 |
| 4827541 | Prone patient positioner A prone patient positioner is provided which includes about four padded pylon members mounted on a beam or rail structure. The pylon members are positionable along the beams structure so as to provide a padded pylon at each of the patient's forehead, chin... | 05/09/1989 |
| 4827542 | Inflatable container for a small child An inflatable container for use as a crib, playpen, bassinet and safety car bed is provided by a rectangular base and attached side walls, all of which can be inflated by an air pump permanently attached along the top of one side wall. Between adjacent ed... | 05/09/1989 |
| 4827543 | Rest structure in the form of rod-shaped bodies removably connected to cross-members A rest structure supported by support elements, with or without interposing mattresses and/or cushions, formed from a succession of hollow rod-shaped bodies disposed parallel to each other and sustained on cross-members which intersect them and to which t... | 05/09/1989 |
| 4827544 | Reclining and lying means, particularly for a bed A structure for supporting a reclining and lying means comprises a lath grating (14) formed from a plurality of transverse laths (13) which is arranged on a support structure (10,20) having at least two longitudinally oriented, spaced longitudinal beams (... | 05/09/1989 |
| 4827545 | Removable protective covering assembly for a bed restraining side rail A protective covering assembly for removable placement over a bed restraining side rail, made of spaced members, has lengths of preformed pipe insulation, cut and fitted about the spaced members, to provide surrounding padding for them. Thereafter, sheets... | 05/09/1989 |
| 4827546 | Fluid mattress A fluid containing mattress including exterior support in the form of side frames and a bottom support. Flexible, contractible bellows are distributed over the bottom support and are connected thereto. Tubing connects the bellows to adjacent bellows to pe... | 05/09/1989 |
| 4827547 | Multi-channel tone generator for an electronic musical instrument A keyboard operated electronic musical instrument has a number of tone generators each of which creates a plurality of musical tones each having its own independent frequency offset so that a multi-rank ensemble effect is produced. The tones are produced ... | 05/09/1989 |
| 4827548 | Vehicle entrance ramp The present invention relates to an extendible and retractable ramp device for a vehicle particularly concerned with the loading and unloading of a handicapped person and which device particularly includes a power actuating mechanism disposed within the v... | 05/09/1989 |
| 4827549 | Hydraulic dock leveler A hydraulic dock leveler having a pivotable main deck, a lip member pivotably connected to the main deck, and a hydraulic system for pivoting the main deck relative to an adjacent loading dock platform and for power extending and power retracting the lip ... | 05/09/1989 |
| 4827550 | Removable head mechanism for automatic cleaning device A cleaning apparatus is provided for transmitting powered motion to an operating member having a removable head mechanism contained within a hollow housing. A motorized base, including a base drive shaft, is locked onto a head drive shaft of the removable... | 05/09/1989 |
| 4827551 | Electrical device for mouth care An electrical base powers an attached massaging head and toothbrush. Water flows through the base into the massaging head to stimulate the gums and clean the teeth.... | 05/09/1989 |
| 4827552 | Rotary electric toothbrush Disclosure is made of an invention for a rotary electric toothbrush, of a head segment demountably attached to a body segment, and the head segment having a gear train in the top of the head segment such that the angle between the center line of the end b... | 05/09/1989 |
| 4827553 | pipeline bulk residue remover and method A pipline bulk residue remover and method for efficiently removing such residue. The apparatus includes a cable passing through the length of a pipeline potentially thousands of feet in length and connected to a device at each end to enable the cable to b... | 05/09/1989 |
| 4827554 | Paintbrush cleaning apparatus A paintbrush cleaning apparatus which when inserted within one of a variety of suitable conventional wastebaskets provides for cleaning of a paintbrush for reuse while at the same time eliminating splattering, retaining excess thinner for reuse and prepar... | 05/09/1989 |
| 4827555 | Drive chain cleaning apparatus A drive chain cleaning implement characterized by a base having an end portion and projecting portions each carrying bristles which present an overlying and straddling relationship with the drive chain, as on a motorcycle. The base includes an elongated h... | 05/09/1989 |
| 4827556 | Ceiling fan blade cleaning devices A ceiling fan blade cleaning device includes a fork member and a separable cleaner member. The fork member has a tubular handle by which the user holds the device for cleaning purposes and a pair of shafts extend from the distal end of the handle shaped t... | 05/09/1989 |
| 4827557 | Goggle wiper A wiper for ski goggles is provided. The wiper is adapted to be removably mounted on a mounting member having a longitudinal axis. The wiper has a first and second end, with one end having a single-edged blade contoured to fit the surface of ski goggles a... | 05/09/1989 |
| 4827558 | Vacuum conduit arrangement for a central dust-collecting system A vacuum conduit arrangement for use with a central dust-collecting system that is provided in a building. The arrangement includes vacuum conduits that are interconnected by couplings. The arrangement further includes at least one connector for a vacuum ... | 05/09/1989 |
| 4827559 | Vacuum system for pavement grooving machine A one-piece blade shroud and vacuum duct system for removing a water and swarf slurry from a pavement grooving site includes an adjustable intake nozzle for directly receiving the slurry hurled by the rotating blades of a pavement grooving machine. Only t... | 05/09/1989 |
| 4827560 | Lock for lid of vacuum cleaner canister A locking structure for releasably retaining a vacuum cleaner canister lid in closed position across a tool storage space in the hood portion of the canister. An arrangement of cooperating surfaces on the lid and hood is provided for permitting automatic ... | 05/09/1989 |
| 4827561 | Portable tacking system A portable tacking unit includes a hand-held tacking head having a cylindrical brush operatively communicating with a central suction unit via a flexible conduit. The unit is readily adapted to electrostatically attract and remove fine dust particles from... | 05/09/1989 |
| 4827562 | Liquid extraction surface cleaning apparatus A liquid extraction surface cleaning apparatus has an upwardly opening recovery tank and a top for the tank which contains a suction fan having a suction inlet opening into the tank. A wand connects to a source of cleaning liquid and has a dispensing and ... | 05/09/1989 |
| 4827563 | Tank cleaning apparatus and method An apparatus for cleaning the inside of tanks of various dimensions comprises a vertically disposed hollow tube inside the tank connected at its lower end to a hollow radial tube having a series of apertures horizontally disposed there along and having ad... | 05/09/1989 |
| 4827564 | Wheel caster frame A wheel caster frame for use in a wet/dry utility vacuum cleaner drum is disclosed. The wheel caster frame is an integral one-piece molded body which is constructed for complementary mounting relative to the bottom and curved outer side walls of the drum,... | 05/09/1989 |
| 4827565 | Sliding drapery hanger A drapery hanger which includes a plurality of individual slide members which are snap fitted in a slidable fashion within a wall or ceiling mounted track. The drape has an elongated tape fixed to its upper margin and includes snap fasteners which mate wi... | 05/09/1989 |
| 4827566 | Removable hinged sack handle This invention relates to a new and improved sack handle. The sack handle is comprised of a suitably-shaped handle frame with a mechanism to be attached to the top of a sack, a latching mechanism to keep the sack handle attached to the sack and a mechanis... | 05/09/1989 |
| 4827567 | Removable enclosure handle and handle receiver assembly A removable handle and handle-receiving assembly. A handle having a first end connected to a plurality of annular segments is inserted into a first opening, twisted to a predetermined position and its second end inserted into the front panel, the second e... | 05/09/1989 |
| 4827568 | Visible 180 degrees hinge An externally visible 180 degree hinge for switching boxes having a first bearing block attached to a box casing and a U-shaped second bearing block surrounding the first. The second bearing block is attached to a door leaf and pressed into an edge area o... | 05/09/1989 |
| 4827569 | Flush mounted, fully concealed cabinet hinges A flush mounted hinge assembly for use in applications where the hinges are to be fully concealed and where the doors abut one another or an adjacent structural member, includes a cabinet mounted bracket, a door mounted bracket, and a housing pivotally mo... | 05/09/1989 |
| 4827570 | Method and apparatus for removing breast meat from poultry carcass Apparatus for fileting breast meat and removing tenders and wings from a front poultry section includes two pairs of rotary cutters which are mounted for swining movement in front of the path of the poultry carcass which is carried on a mandrel. The two p... | 05/09/1989 |
| 4827571 | Snaggle for removing intestinal fragment of a fish A fish eviscerating apparatus employs at least one rotating brush for removing viscera from a beheaded, belly-slit fish. Bristles of the at least one brush have a length and stiffness which, when combined with a predetermined brush holddown force, are eff... | 05/09/1989 |
| 4827572 | Device for the stripping of fiber bales In a plucking device, capable of travelling back and forth, for the plucking of fibers from bales of fiber two toothed rollers are provided. One is located before, and the other after, the toothed plucking roller, their axes being parallel to the axis of ... | 05/09/1989 |
| 4827573 | Top bar A top bar for carding machines formed from an elongated hollow cold drawn annealed profile. The annealing relieves any stresses developed in the profile during the cold drawing and a dimensionally stable top bar results therefrom.... | 05/09/1989 |