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 |
| 4074364 | Hold-down device for shirts and the like A hold-down device for shirts, blouses, etc., comprising an elastic hipband to be worn around the hips, elastic front and rear flaps secured to the hipband and converging downwardly to fit the crotch of the wearer. Upstanding tabs are spaced around the hi... | 02/21/1978 |
| 4074365 | Cap and method of manufacture A cap is formed by inserting the upper end of a knitted tube into a pocket of a bag-like tassel. The tassel is expanded or stuffed by the upper end of the tube, and a suitable design can be applied to the tassel before the tube is inserted. The tassel inc... | 02/21/1978 |
| 4074366 | Poly(N-acetyl-D-glucosamine) products Poly(N-acetyl-D-glucosamine) is soluble in hexafluoroisopropyl alcohol and hexafluoracetone sesquihydrate. The solutions formed may be wet or dry spun into filaments, or cast into films or solid articles, which may be used as absorbable surgical sutures, ... | 02/21/1978 |
| 4074367 | Prosthetic load-lift hook locking mechanism An electrically controlled pawl and ratchet mechanism on a prosthetic device to increase the lifting ability of the system throughout the excursion range thereof and without opening the system's terminal device. A ratchet wheel is positively connected to ... | 02/21/1978 |
| 4074368 | Intraocular lens with high magnification A sub-miniature optical system, based in principle on the Galilean telescope, for implantation in the eye following surgical removal of the natural lens. The system is made of methyl methacrylate and includes so-called air-lenses formed by bubbles defined... | 02/21/1978 |
| 4074369 | Shampooing unit A lightweight shampooing unit is disclosed comprising a hood having a manifold therein for directing water, shampoo or air into the hood and an outlet for discharging water, shampoo or air, the hood being adapted to be worn on the head around the scalp ar... | 02/21/1978 |
| 4074370 | Bathing apparatus for hospital or bedridden patients A relatively shallow fiberglas, or other sturdy but lightweight material, tub is provided with legs and lockable casters to be easily portable. The tub itself is of such size and shape as to enable usage by adults, while the legs support the tub with the ... | 02/21/1978 |
| 4074371 | Motorized hide-a-bed actuating mechanism A motorized actuating mechanism for attachment to sofabeds, hide-a-beds and the like in order to make the opening and closing operation of said beds fully automatic. The mechanism is installed into the existing frame of the sofabed and a switch is install... | 02/21/1978 |
| 4074372 | Foundation unit frame The invention pertains to a wooden frame structure for a box spring. Two spaced, parallel, upright members form elongated side rails which are initially held together by a base slat extending between the side rails at either end thereof, the base slats be... | 02/21/1978 |
| 4074373 | System for attaching pillow to X-ray table This invention is a system for attaching pillows to an X-ray table or the like. A belt is connected with the pillow by construction that permits pillow-slips to be replaced for each patient without disturbing the permanent connection of the belt to the un... | 02/21/1978 |
| 4074374 | Reading bed A reading bed for lying thereon in a prone position or sitting position. The bed supporting not only the lower portion of the body, but the chest, neck and head of the reader. In addition, the bed supports the arms and elbows of the reader. The bed by sup... | 02/21/1978 |
| 4074375 | Utility security blanket A utility security blanket for restraining a patient from throwing off the bed clothes or from getting out of bed, and as a utility blanket simultaneously functioning as a comfortable bed cover, this blanket being rectangular and provided with strong stra... | 02/21/1978 |
| 4074376 | Contoured security pillow Disclosed are resiliently compressible pillows adapted to support a temple and a facial cheek of one of the symmetrical sides of a person's head who is reclining hemiside upon one upper-arm against a sleeping bed or other horizontal reclining surface. Not... | 02/21/1978 |
| 4074377 | Bed canopy frame A bed canopy frame having longitudinal members constructed of resilient plastic material. The longitudinal members include parallel top and bottom portions with a transverse portion joining the top and bottom portions. The transverse portion of each of th... | 02/21/1978 |
| 4074378 | Air ventilator for beehives An air ventilator for beehives is provided which produces positive ventilation of a hive in an extremely simple and inexpensive manner. The ventilator is mounted on the hive so as to communicate with an outlet aperture which is conventionally provided in ... | 02/21/1978 |
| 4074379 | Boarding handle for boats A pair of telescoped inner and outer tubes together provide a post-like handle that is mounted on the gunwale of a boat. The outer tube is fixed to the top of the gunwale and projects down through a hole in the gunwale, and the inner tube which forms the ... | 02/21/1978 |
| 4074380 | Recovery buoy A recovery buoy which is carried underwater by a diver and comprises an indented spool-like body of lightweight material around which is wrapped a cord. A weight is detachably mounted to the body and is attached to the cord so that the weight end of the c... | 02/21/1978 |
| 4074381 | Water scooter A new and improved water scooter for serving to facilitate sensory motor integration comprising a pair of spaced apart floatation devices of generally prismatic configuration and being constructed of generally soft, pliable flexible material throughout, b... | 02/21/1978 |
| 4074382 | Heating apparatus for book forming and creasing irons A book forming and pressing apparatus provides a pair of chain driven conveyors or carriages in side-by-side relation which define a book flow path between the carriages on which are mounted a plurality of creasing iron assemblies. The creasing iron assem... | 02/21/1978 |
| 4074383 | Lasting machine with latex adhesive delivery The method of lasting footwear with liquid latex comprising depositing the latex in a wet, liquid, low-viscosity, nonadhesive form on the surface of the feed roll, of a pair of cooperating feed rolls of a progressive-type lasting machine, which normally h... | 02/21/1978 |
| 4074384 | River ramp for hovercraft Apparatus for the traversal of an air boat or hovercraft over river dams consisting of a two-sided ramp having an upper and lower end. The ramp is constructed in a river extending over a dam. The upper end of the ramp is located upstream of the dam and th... | 02/21/1978 |
| 4074385 | Carpet cleaning brush Disclosed herein is a brush for cleaning carpets which includes a base member by which the brush is secured to the underside of a rotary or oscillating machine to impart a corresponding movement to the brush; a plurality of bundles of bristles, each bundl... | 02/21/1978 |
| 4074386 | Roofing mop A roofing mop having a tubular support member about which depending mop head strands are peripherally secured as doubled-over hanks of such strands, and within the upper end of which tubular support member a mop handle is removably secured, the lower end ... | 02/21/1978 |
| 4074387 | Vacuum cleaner attachment A vacuum cleaner attachment, especially suited for vacuum cleaning of upholstery, has an applicator head having a first opening for vacuum and a second opening for applying cleaning fluid. Two separate conduits are in fluid communication with the respecti... | 02/21/1978 |
| 4074388 | Resettable, heat actuatable fire link A resettable fire link is described comprising a releasable member, gripping means for engaging said releasable member in the normal position and for releasing said releasable member in the activated position. Said gripping means comprises heat responsive... | 02/21/1978 |
| 4074389 | Poultry carcass-treating apparatus A dressed raw poultry carcass, with its front portion engaging an abutment, is pressed from the rear to clamp the carcass against the abutment, and side rails carry arms rearwardly to engage the knees of the bird, thus positioning the carcass firmly for f... | 02/21/1978 |
| 4074390 | Fowl gizzard separator Apparatus for separating the gizzard from a package of interconnected entrails removed from a fowl, comprising a horizontal rotating transport drum with helical external ribs, cooperating with a stationary sloping support blade in moving the gizzard towar... | 02/21/1978 |
| 4074391 | Crush roll plenum for carding machines A combination web cover and suction chamber define a crush roll plenum which communicates with and extends forwardly from the doffer plenum of a suction cleaning system for carding machines. It includes a suction opening closely spaced from the top crush ... | 02/21/1978 |
| 4074392 | Card clothing clipped top and a method of manufacturing therefor A card clothing clipped top comprised of a rigid base with a longitudinal groove extending lengthwise adjacent each side thereof and a pair of clips for attaching the top to a flat in a card clothing machine. Each clip has a curved upper portion which eng... | 02/21/1978 |
| 4074393 | Method and apparatus for dry forming a layer of fibers In dry forming a layer of fibers, the fibers are conveyed by carrier air to a distributor housing having a perforated bottom wall through which the fibers pass downwards on to a foraminous forming surface connected on its underside to a suction box. The i... | 02/21/1978 |
| 4074394 | Apparatus for depositing a sliver in a sliver can Apparatus for depositing a sliver of wool into a sliver can with a coiler plate rotated with high circumferential speed. The coiler plate has a pair of calender cylinders excentrically arranged in it and a nozzle for the central inlet of the slivers. One ... | 02/21/1978 |
| 4074395 | Web layering device In a web layering device composed of a series of conveyors disposed in sequence for conveying a web of textile fibers from a card and depositing the web in layered form on a transporting unit, at least some of the conveyors being mounted on carriages to u... | 02/21/1978 |
| 4074396 | Clasp with enclosed pin An improved clasp for holding fabric between its legs employing an axially movable pin within the clasp for penetrating the fabric when moved to engage a catch which conceals the end of the pin within the clasp.... | 02/21/1978 |
| 4074397 | Device for securing cords, tubes, and the like A disposable device is provided for securing cords and tubes during surgical, or other medical operations or medical services, or the like, by which cords and/or tubes extending to or from the patient may be conveniently fastened, for example to the paper... | 02/21/1978 |
| 4074398 | Slide fastener tape A stringer tape for slide fastener has a warp-knit structure including longitudinally extending alternate wales and interwale grooves. Those wales lying adjacent and behind respective edge portions of the tape are formed with fewer knitting threads than a... | 02/21/1978 |
| 4074399 | Slider for slide fastener A slider for a slide fastener is disclosed which includes a slider body, a locking spring and a pull tab. The locking spring includes a locking prong extending through the slider body to engage the coupling elements of the slide fastener to lock the slide... | 02/21/1978 |
| 4074400 | Fastenings suitable for personal ornaments The invention disclosed relates to a fastening suitable for a personal ornament, which comprises a male member (A) and a female member (B); the male member (A) including a base plate 21 on which a projecting portion 22 is provided; the female member (B) i... | 02/21/1978 |
| 4074401 | Snap assembly A snap assembly adapted to receive a cooperating buckle element is disclosed in which a base is provided having oppositely disposed front and rear ends with upper and lower surfaces intermediate the ends, and a hook is integrally formed with the front end... | 02/21/1978 |
| 4074402 | Pipe clamp In a pipe clamp composed of a plurality of arc-shaped bands, which can be assembled into a circular shape, and each of which is provided with coupling portions on the outsides of its both ends, characterized by the followings: the coupling portions of sai... | 02/21/1978 |
| 4074403 | Tennis ball napper An open frame structure has spring fingers for lightly gripping a tennis ball. A shaft rotatably mounts a napping wheel in the open frame structure, the periphery of the napping wheel having bristles except for a given circumferential section. Also secure... | 02/21/1978 |
