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 |
| 4398305 | Foldable cap construction An improved disposable head covering, such as a chef's hat, includes a peripheral cylindrical wall having opposed end sections. The wall is defined by an inner liner and a corrugated sheet adhesively secured to the outer surface of the liner. A shape-sust... | 08/16/1983 |
| 4398306 | Chin strap safety attachment for protective headgear A chin strap safety attachment including a high impact resistant rigid anchor insert mounted upon a chin strap of the protective headgear. The anchor insert has a tongue which is shaped so as to be insertable into an opening in a coacting anchor plate whe... | 08/16/1983 |
| 4398307 | Hinge for toilet seat A composite hinge for a toilet seat comprises three leaves, namely, a bowl leaf, a seat leaf and a lid leaf. The three leaves are assembled into a unit by snap fitting the individual pieces together in interlocking manner. The assembled hinge is then adap... | 08/16/1983 |
| 4398308 | Energy conservation in shower bathing Disclosed is a method and apparatus for decreasing the energy consumed by shower baths. The apparatus comprises a heat exchanger used to preheat incoming cold water with hot drain water and a local hot water heater used to elevate the temperature of the h... | 08/16/1983 |
| 4398309 | Roller supported sliding shower caddy A bathroom fixture such as a sliding shower caddy of a plastic material mounts to sliding doors of a shower enclosure by rubber suction cups and is supported by rollers which rest on the upper extruded aluminum support or channel guide which holds up the ... | 08/16/1983 |
| 4398310 | Washstand device A sanitary handwashing apparatus includes a housing having walls defining a chamber and having a front opening through which the hands of a user can be inserted into the chamber; a washbasin located in the housing and including a drain at the bottom for r... | 08/16/1983 |
| 4398311 | Folding sofa-bed mechanism A folding bed frame for sofa-beds in which a plurality of frame sections, including a foot section, knee section, body section and head section are pivoted in end-to-end relation so as to be foldable between an extended bed-forming position and a retracte... | 08/16/1983 |
| 4398312 | Sofa bed overdeck assembly An overdeck assembly for use in a sofa bed mechanism consisting of a plurality of sections foldable between collapsed sofa positions in which sections are stacked vertically and extended bed positions in which the sections extend in substantially horizont... | 08/16/1983 |
| 4398313 | Manual control system for adjustable hospital bed Independently operable lifting mechanisms are provided at the head and foot ends of the fixed lower base frame of an adjustable hospital bed in order to facilitate independent height adjustment of the head and foot ends of the bed's movable upper frame. T... | 08/16/1983 |
| 4398314 | Box top opener The box top opener is of one piece molded plastics material and includes an elongated reinforced handle portion having reinforced box top gripping jaws extending from one end thereof. The jaws are comprised of a pair of flat parallel closely spaced apart ... | 08/16/1983 |
| 4398315 | Yieldable and releasable lip lifting mechanism for a dockboard A yieldable and releasable lip lifting mechanism for a dockboard. The dockboard includes a ramp which is pivoted at its rear edge to a supporting structure, and a lip is hinged to the forward edge of the ramp and is movable between a downwardly hanging pe... | 08/16/1983 |
| 4398316 | Speed selector switch An electrical switch mechanism for energizing and varying the speed of a vacuum cleaner motor is responsive to the particular interchangeable cleaning attachment mounted on the housing of the vacuum cleaner. Fixed and movable electrical contacts of the sw... | 08/16/1983 |
| 4398317 | Check strap A one piece molded strap assembly is provided to be employed in limiting travel between two movable parts. A pair of expandable bosses are connected by a resilient link and a drive pin is molded to each of the bosses which when separated from, and inserte... | 08/16/1983 |
| 4398318 | Card clothing for carding machine elements Metallic wire card clothing for carding elements is provided by a plurality of wire strips disposed side-by-side, as by helically winding at least two strips abutting each other on a supporting roll element, with each strip having an upstanding portion pr... | 08/16/1983 |
| 4398319 | Gill boxes with rotating heads An improved gill box with rotating heads, which comprises a plurality of needles acting on an assemblage of slivers fed substantially continuously and consists of a feeder group, a group which controls the fibers and is constituted by two heads with combs... | 08/16/1983 |
| 4398320 | Method and apparatus for transmitting driving power in drafting device of spinning frame A method and apparatus for transmitting a driving power in a drafting device of a spinning frame. In the drafting device comprising a pair of back rollers, middle rollers and front rollers arranged in order, the driving power for the middle rollers is tra... | 08/16/1983 |
| 4398321 | Lashing sling fastening buckle A sling fastening buckle comprising a buckle frame in the form of a bottom plate in which is formed an aperture, the marginal portions of said plate being angularly bent to form two channels, in which two bars are displaceable. The bars have an essentiall... | 08/16/1983 |
| 4398322 | Hitch pin assembly A hitch pin assembly for connecting a hitch of a towing vehicle (e.g. an agricultural tractor) with a tongue of a towed vehicle (e.g. an agricultural implement) includes a coupling pin having a pinhead and handle at its upper end. The coupling pin is inse... | 08/16/1983 |
| 4398323 | Locking device A locking device comprises a locking pin and a base with bore for receiving the locking pin. The base has resilient locking means movable between a locking position where it engages a detent on the pin and an unlocking position. A slide or like means aids... | 08/16/1983 |
| 4398324 | Center release buckle A molded plastic buckle adapted to releasably secure extremities of a web-like material includes a receptacle body and an insert body having a tongue portion adapted to be slidably received in the receptacle body. The receptacle body includes a top wall h... | 08/16/1983 |
| 4398325 | Process for producing ultrasonic transducers having complex shapes Process for producing complex ultrasonic transducers comprising cutting out a piezoelectric ceramic block along lines which are parallel to one another by means of at least two rows of channels making it possible to produce elementary transducers and sele... | 08/16/1983 |
| 4398326 | Collet unclamping mechanism Pressurized hydraulic fluid for energizing the collet unclamping mechanism of a machining center is supplied through a first solenoid valve from an accumulator which is charged by a piston pump. The piston pump is attached to the machining center between ... | 08/16/1983 |
| 4398327 | Pledget loading apparatus A pledget loading apparatus for automatically applying a cut segment of a flocculent material such as absorbent cotton to the needle of an elongated needle instrument such as a dental probe needle instrument. The instrument is inserted into an instrument ... | 08/16/1983 |
| 4398328 | Rolls for single facer The interior wall of a hollow corrugating roll or a hollow pressure roll of a single facer is frictionally engaged by a resilient member so as to minimize the elastic vibration thereof and thereby to minimize the noise developed and transmitted during ope... | 08/16/1983 |
| 4398329 | Roller skate bearing An unground ball bearing is manufactured by forming a straight-sided cup shaped outer race having an aperture in the base and a radially inwardly extending flange about the periphery of the cup rim. The outer and inner races are heat treated and subjected... | 08/16/1983 |
| 4398330 | Center plate structure for railway vehicle A method of resisting wear between a body center plate of a body bolster of a railway vehicle body and a bolster bowl of a truck bolster of a truck of the railway vehicle is provided by disposing a wear resistant tubular liner to be sandwiched between the... | 08/16/1983 |
| 4398331 | Method of connecting pipe pieces via universal joint The invention is concerned with an improvement in the method of connecting pipe pieces incorporated in a node-equipped riser pipe interconnecting a floating facility and a sea bottom facility. A rocker pipe is connected through a swivel joint to each main... | 08/16/1983 |
| 4398332 | Method of assembling stackable components This specification teaches a method of assembling stackable components which is initiated by stacking a first stack forming member. This member has at least a pair of strap securing areas associated therewith on opposite sides thereof. A plurality of stac... | 08/16/1983 |
| 4398333 | Manipulating tool A storage and manipulating tool for replacement plunger heads includes a set of storage cavities in which replacement plunger heads (syringe tips) are stored. Each plunger head has an annular flange, and a socket for receiving the end of a cooperating plu... | 08/16/1983 |
| 4398334 | Duct work clip installer and crimper A hand tool for installing clips to abutting edges of ducts and for crimping the clips to secure the ducts together is comprised of a rectangularly shaped base plate including pairs of opposed rollers mounted thereon with their axes perpendicular to the p... | 08/16/1983 |
| 4398335 | Multilayer metal silicide interconnections for integrated circuits A process and resulting structure are disclosed for forming vias in integrated circuit structures using metal silicide interconnections. A lower conductor is formed by sequentially depositing silicon and a refractory metal which reacts with the silicon to... | 08/16/1983 |
| 4398336 | Method of inhibiting kinking and twisting of a cable relative to an anchor A thimble insert for placement in a thimble eye of a cable, the thimble insert including a rigid body having a groove therein for engagement with the thimble and a slot for receipt of an anchor device engaged by the thimble eye. The body can be prepared w... | 08/16/1983 |
| 4398337 | Continual crimper A continual crimper for pressing an electric wire to an electric terminal, which is belted intermittently one by one, to make the wire fixed to the terminal respectively. The crimper is so constructed that the intermittently belted terminals may be transf... | 08/16/1983 |
| 4398338 | Fabrication of high speed, nonvolatile, electrically erasable memory cell and system utilizing selective masking, deposition and etching techniques A process for fabricating an electrically erasable nonvolatile memory cell comprises forming a first region of insulating material which is less than about 200 Angstroms thick on a selected surface portion of an electrically-isolated relatively lightly do... | 08/16/1983 |
| 4398339 | Fabrication method for high power MOS device This disclosure relates to a high power VMOS semiconductor device and fabrication method therefor. This VMOS semiconductor device uses a doped polysilicon gate electrode in the V groove and an overlying metal electrode located over an insulation layer pro... | 08/16/1983 |
| 4398340 | Method for making thin film field effect transistors A method for making thin film field effect transistors that utilize a semnductor material that is altered by acid etching and providing steps for producing the transistors such that the semiconductor material is protected from the acid solutions and ther... | 08/16/1983 |
| 4398341 | Method of fabricating a highly conductive structure An improved method of fabricating a silicide structure includes depositing a metal, e.g., molybdenum or tungsten, directly onto a thin insulating layer of silicon dioxide and/or silicon nitride formed on a semiconductor substrate, co-depositing the metal ... | 08/16/1983 |
| 4398342 | Method of making a Hall effect device A Hall effect device comprises a thin substrate free epitaxially grown semiconductor body mounted in a magnetically permeable, e.g. ferrite, housing. The layer, which is preferably gallium arsenide or gallium indium arsenide, is grown on a substrate which... | 08/16/1983 |
| 4398343 | Method of making semi-amorphous semiconductor device A semi-amorphous semiconductor device manufacturing method in which a non-single crystal semiconductor layer is provided on a substrate to form therebetween a PN, PIN, PI or NI junction and a current is applied to the non-single crystal semiconductor laye... | 08/16/1983 |
| 4398344 | Method of manufacture of a schottky using platinum encapsulated between layers of palladium sintered into silicon surface A schottky diode and process of manufacture therefor is disclosed wherein a schottky junction is formed between a tungsten schottky barrier metal and a silicon surface which has been treated to produce a single crystal surface by sintering thereto platinu... | 08/16/1983 |
