Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 4047249 | Protective helmet and face shield assembly therefor A protective helmet for use by race drivers, police riot squads...etc. incorporates a face shield assembly involving means for overcoming problems of breakage, glare and fogging by associating with a face shield of substantially unbreakable material, coat... | 09/13/1977 |
| 4047250 | Contoured wrist support This invention provides a contoured wrist support that includes a sheet portion adapted to be wrapped around the wrist, the sheet portion being made up of more than one element having contoured edges stitched together so as to provide it with a three-dime... | 09/13/1977 |
| 4047251 | Glove and form and method for making same A uniquely contoured glove adapted to tightly conform to a wearer's hand is made by depositing an elastomeric material on a relatively flat glove form having recessed areas covering substantially the entire surface of the hand-forming and finger-forming p... | 09/13/1977 |
| 4047252 | Double-velour synthetic vascular graft A double-velour vascular graft has a tubular body or trellis with loops projecting both outwardly and inwardly from said trellis. The loops on both the inner and outer surfaces of the trellis provide for more effective preclotting and ingrowth of tissue w... | 09/13/1977 |
| 4047253 | Device and method for unclogging drains A manually operable device is placed over the drain opening so as to seal this opening. Contained within the device and in fluid communication with the drain is a cartridge which contains one or more materials which react with each other when mixed or wit... | 09/13/1977 |
| 4047254 | Mattress construction A mattress construction comprises an intermediate layer of a semi rigid wave shaped resin material and with a top layer overlying the intermediate layer made of a resilient foamed resin material and a lower layer made of a resilient foamed resin material ... | 09/13/1977 |
| 4047255 | Flotation hiking harness A flotation hiking harness having back, side and crotch sections attached to a central buckle and having a shoulder section over the shoulder blades and front sections over the chest which terminate short of the bend line at the waist, the front and shoul... | 09/13/1977 |
| 4047256 | Bridge construction method A bridge construction method comprising removing the trucks and wheels from a flatbed type railroad car to provide a bridge substructure, preparing support means upstanding from an area to be bridged for emplacement of the substructure, and emplacing the ... | 09/13/1977 |
| 4047257 | Life saving apparatus A lifesaving apparatus for use, for example, in rescuing a person who has fallen through the ice, includes a series of slats, flexibly connected to one another, forming a long flexible mat. One end of the mat is provided with an anchoring device, used to ... | 09/13/1977 |
| 4047258 | Lip lock with release and counterbalance for dock board A loading dock board or ramp is provided having a counterbalanced, extendable lip incorporating a releasable lock mechanism. The dock board is provided with a projecting lip pivoted to the outer end of a platform and includes mechanisms for automatically ... | 09/13/1977 |
| 4047259 | Body washing apparatus This disclosure pertains to a flexible rubber-like mat having a plurality of suction cups affixed to one lateral surface thereof. The other lateral surface is substantially covered with a loose pile fabric-like material adapted to be releasingly engaged b... | 09/13/1977 |
| 4047260 | Mop and dusting device A simple, lightweight T-shaped mop head and handle device accomplishes a variety of dry or wet mopping as well as dusting jobs. The structure is preferrably fabricated from two lengths of lightweight aluminum tubing attached in a T-configuration by an alu... | 09/13/1977 |
| 4047261 | Mop wringer A downward pressure mop wringer is disclosed. It comprises a hopper, a pivoted pressure plate mounted in the hopper, a crank-arm linkage to actuate the pressure plate, a handle to actuate the crank-arm linkage, and a spring to return the pressure plate to... | 09/13/1977 |
| 4047262 | Device for interconnecting curtain rods Device for eliminating a clearance at the center where a pair of curtains of the center draw type are overlapped. The device can be interposed between two straight curtain rods aligned end-to-end to detachably interconnect the curtain rods and comprises t... | 09/13/1977 |
| 4047263 | Soft-feel handle and method of making same An improved soft-feel handle construction including first and second parts each part including a flexible thermoplastic sheath wrapped around a cushioning member. One of the parts includes a thin, flat elongated conductive member positioned between the th... | 09/13/1977 |
| 4047264 | Separable slide fastener A slider aligning device is disclosed for use in a separable slide fastener of the class comprising a pair of stringers having longitudinal rows of interfitting fastener elements on their opposed edges respectively, and a pair of sliders arranged reversel... | 09/13/1977 |
| 4047265 | Fastener stringer A sliding clasp fastener stringer is disclosed which comprises a warp-knit support tape carrying a row of interlocking fastener elements, said tape having a web portion of a relatively coarse interstice structure suitable for stitching the tape to an arti... | 09/13/1977 |
| 4047266 | Quick action fastener Described is a quick acting fastener which is particularly adapted to securing together structures such as panels having suitable shaped openings to receive a unitary, quarter turn, snap acting fastener having projections which snap into fastening positio... | 09/13/1977 |
| 4047267 | Device in connection with locks for safety belts A vehicle safety belt connector has a tonque-shaped male member attached to the safety belt and having a notch in an edge thereof and a female member attachable to the vehicle. The female member has a pair of flat parallel walls with locking of the male m... | 09/13/1977 |
| 4047268 | Worm gear clamping apparatus A worm gear clamping apparatus including a molded, one-piece worm gear drive head and strap assembly, the end of the strap oppositely disposed from the worm gear drive head defining partial internal threads on its outward surface. The apparatus also inclu... | 09/13/1977 |
| 4047269 | Method and apparatus for producing ornamentally patterned, needled, nonwoven pile fabrics Pile fabric is produced by needling in an ornamental pattern a pile layer of loose fibers through the back or nonvisible side of a fabric backing web which is intermittently passed with its back side up through a series of needling stations comprising nee... | 09/13/1977 |
| 4047270 | Apparatus for separating objects This invention relates to an apparatus for separating objects, particularly for drawing-off individual heddles from a pack, comprising substantially U-shaped, pivotal, reciprocatable pipe means adapted to be mounted adjacent a pack of heddles and to conta... | 09/13/1977 |
| 4047271 | Method for space dyeing yarn A method for space dyeing yarn wherein a rapidly advancing yarn is intermittently deflected into and out of a nip of a pair of rotating dye applicator rollers, such that those portions of the yarn which pass through the nip are subjected to a rapidly appl... | 09/13/1977 |
| 4047272 | Machine for continuous bias cutting of tubular fabric Automated machine for the continuous bias cutting of an elongated tube of material, such a tubular knitted fabric, into a plurality of individual strips, and winding the strips into a plurality of rolls of fabric. The machine comprises a supply section, a... | 09/13/1977 |
| 4047273 | Deflection compensating roll A deflection compensating press roll is disclosed in which a stationary beam has a barrel mounted for rotation thereabout and a plurality of hydrostatic elements provide selective hydrostatic support along the length of the roll. The support elements are ... | 09/13/1977 |
| 4047274 | Support for continuously cast hot metal components Apparatus is disclosed for supporting hot metal components such as slabs in a continuous casting plant which comprises a roll having at least one elongated member which defines a series of undulations disposed about the outer surface of the roll. Preferab... | 09/13/1977 |
| 4047275 | Method of assembling valves A method of assembling an all-plastic valve that assures proper positioning of the associated parts while forming a unitary, leaf-proof valve body.... | 09/13/1977 |
| 4047276 | Apparatus for dispensing rings and for applying piston rings to pistons Apparatus for dropping rings one at a time from a stack and including apparatus for receiving piston rings so dropped and applying them to pistons. The apparatus includes a tube, upper and lower pawls slidably mounted in the lower end of said tube and an ... | 09/13/1977 |
| 4047277 | Track link pin bore - hydraulically prestretched A method and apparatus for enlarging a bore in a work piece including means for sealing the bore, a source of hydraulic fluid and a hydraulic pressure amplifier for introducing the fluid into the cylindrical bore and amplifying the pressure of the fluid t... | 09/13/1977 |
| 4047278 | Method of manufacturing hammer In manufacturing a hammer for sheet metal work and repair or shaping of metal sheets, the hammer is made with a hammer head and an adapter which has a face for striking the workpiece and is coaxially connected to the hammer head in such a manner that the ... | 09/13/1977 |
| 4047279 | Upgrading current distribution insulators A method is disclosed for upgrading insulators of a current distribution system when the voltage of the system is to be increased. New, additional insulators are coupled with the existing ones, and the coupling is accomplished without detachment of the cu... | 09/13/1977 |
| 4047280 | Method for removing ties under railroad track This is a method and apparatus for removing ties from under railroad track and is specifically concerned with removing ties in one piece and involves removing the high wood from the ties in the area between the rails of the track and on one end thereof so... | 09/13/1977 |
| 4047281 | Method of setting blind rivets An apparatus and method particularly adapted for use in continuously setting blind rivets having elongated mandrels in suitably apertured material. Such apparatus embodies support means, feed means operatively connected to the support means for selectivel... | 09/13/1977 |
| 4047282 | Method of joining wooden members The apparatus includes a conveyor table having pairs of press heads mounted on its opposite sides. Strips of sheet metal stock from coils are fed through respective die sets for punching integrally extending teeth in the metal strips and the connector pla... | 09/13/1977 |
| 4047283 | Method and apparatus for connecting individual light waveguides A method and apparatus for connecting individual light waveguides characterized by providing a splicing element holder, a pair of spaced waveguide clamping devices which are spaced from the holder, securing a splicing element having a longitudinal extendi... | 09/13/1977 |
| 4047284 | Self-aligned CMOS process for bulk silicon and insulating substrate device The method for fabrication of a self-aligned gate CMOS structure which employs no additional masking steps as compared to the standard CMOS fabrication process, this improved process providing the advantages of self-alignment between the N+ and P+ source ... | 09/13/1977 |
| 4047285 | Self-aligned CMOS for bulk silicon and insulating substrate device The method for fabrication of a self-aligned gate CMOS structure which employs no additional masking steps as compared to the standard CMOS fabrication process, this improved process providing the advantages of self-alignment between the N+ and P+ source ... | 09/13/1977 |
| 4047286 | Process for the production of semiconductor elements A process for the production of semiconductor elements is set forth which includes metallizing a side of a large-area semiconductor wafer, having at least two zones of differing conductivity types, applying a soft-solder plate to the metallized side of sa... | 09/13/1977 |
| 4047287 | Method for forming a high frequency antenna A method for forming a high frequency antenna such as a horn-reflector antenna. In fabricating the horn antenna a mold may be used which comprises a paraboloid-cylindrical section and a pair of half cone shells for forming respectively the paraboloid-cyli... | 09/13/1977 |
| 4047288 | Method of manufacturing 3-D memories A method of manufacturing triple coincidence access 3-D memories (requiring 3 inputs for memory access) which, according to the invention, consists in making a flat core matrix threaded along three directions of the Cartesian system, the matrix is then po... | 09/13/1977 |
