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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 4696577 | Integral watch case middle and movement plate and method of making same A watch middle cum plate is described that comprises an annular middle-forming portion and a plate-forming portion which is surrounded by the middle-forming portion and which is formed with recesses for receiving components of the watch movement. The midd... | 09/29/1987 |
| 4692033 | Timepiece having case formed of rock-like material A timepiece includes an outer caseband 3 formed entirely in one piece of a hard material which likewise includes a hub member 4 providing the timepiece dial, and a metallic inner caseband 16. An annular step 10 for positioning and glue fastening a crystal... | 09/08/1987 |
| 4674892 | Wrist watch having certain parts covered with extra hard material The watch case of this inveniton includes means for fixing the crystal to the case having surfaces exposed at the exterior of the watch thus susceptible to being scratched. Such visible surfaces are protected by an armour formed essentially of a substrate... | 06/23/1987 |
| 4648722 | Plastic watch casing with plastic crystal and process for joining the crystal to the casing To simplify fitting and sealing the crystal (4) to the casing (2, 6, 8), assembly is effected by means of ultrasonic welding. The casing (2, 6, 8) and the crystal (4) are made of synthetic materials which are thermo-weldable to each other. The mating face... | 03/10/1987 |
| 4640625 | External member for a watch A body of an external member is made of an aluminum alloy containing 0.5-2.5% of magnesium by weight, less than 0.01% of silicon by weight, and less than 0.01% of iron by weight. An anodic oxide film is formed on the body.... | 02/03/1987 |
| 4558957 | Plastic watch casing with plastic crystal and process for joining the crystal to the casing To simplify fitting and sealing the crystal (4) to the casing (2, 6, 8), assembly is effected by means of ultrasonic welding. The casing (2, 6, 8) and the crystal (4) are made of synthetic materials which are thermo-weldable to each other. The mating face... | 12/17/1985 |
| 4533605 | Article such as jewelry or a wristwatch component having composite multi-film protective coating The surface of a metal article which is exposed to the atmosphere and abrasion during normal use of the article is protected from scratches and/or corrosion during such use by a thin transparent abrasion-resistant film of an inert non-metallic material su... | 08/06/1985 |
| 4517217 | Protective coating means for articles such as gold-plated jewelry and wristwatch components The surface of a metal article which is exposed to the atmosphere and abrasion during normal use of the article is protected from scratches and/or corrosion during such use by a thin transparent abrasion-resistant film of an inert non-metallic material su... | 05/14/1985 |
| 4496248 | Structure for a watch case made of cemented carbide A structure of a watch case, which comprises a watchglass, a case band member composed of a cemented carbide alloy and having a flange formed at an upper portion thereof and an annular surface formed at a lower portion of the flange, a watchglass supporti... | 01/29/1985 |
| 4495254 | Protectively-coated gold-plated article of jewelry or wristwatch component The surface of a metal article which is exposed to the atmosphere and abrasion during normal use of the article is protected from scratches and/or corrosion during such use by a thin transparent abrasion-resistant film of an inert non-metallic material su... | 01/22/1985 |
| 4479725 | Watchcase A watchcase comprising a case body having a recessed shoulder at the corner of the axially extending inside wall and the bottom thereof, and a back made of hard metal having a longitudinal elasticity modulus larger than 25,000 kg/mm2 and secure... | 10/30/1984 |
| 4439499 | Stratified corrosion-resistant complex The present invention relates to a stratified, corrosion-resistant complex comprising a metal substrate and an outer layer made of a noble material. According to the invention the substrate is composed of an alloy having, by weight at least 45% nickel, at... | 03/27/1984 |
| 4403870 | Water-resistant shaped case construction for a wristwatch A water-resistant shaped case construction for a wristwatch with a bell-shaped molded crystal with a central viewing portion and a depending wall forming part of the case including an integral pendant for the stem, a stainless steel bezel shell clamping a... | 09/13/1983 |
| 4403016 | Gold-colored silver-cadmium-nickel alloy for electrodeposited duplex coating Disclosed is a silver-cadmium-nickel alloy coating including small but effective amounts of cadmium and nickel, namely, at least, about 6 weight percent cadmium and 0.5 weight percent nickel, to impart a gold-color to the coating substantially equivalent ... | 09/06/1983 |
| 4293942 | Waterproof watch and method for making A waterproof watch having a case and a base which are sealed in a water tight manner without the use of screw threads, is provided. The watch base is composed of a memory form alloy which may or may not be reversible. The watch base is deformed while in i... | 10/06/1981 |
| 4292681 | Housing for instruments powered by ambient oxygen elements The instrument housing has a gas passage closed-off by a hydrophobic, microporous substance.... | 09/29/1981 |
| 4282597 | Metal-coated plastic housing for electronic components and the method of making same Plastic housings for electronic components such as plastic cases for electronic wrist watches and calculators have their interior surfaces coated with a first layer of highly-conductive metal to provide static protection for the electronic circuitry conta... | 08/04/1981 |
| 4229936 | Low-cost watch case and band A low-cost watch band and case comprises a receptacle for receiving a watch module, switch protuberances integrally formed with the sidewall of the receptale for actuating function switches on the watch module, and a watch band integrally formed with the ... | 10/28/1980 |
| 4204396 | Watch An improved shock absorber for a watch movement and a method of making the same. The watch has a molded casing and a movement with a molded baseplate. A plurality of shock absorbers permanently mount the movement in the casing. Each shock absorber has a f... | 05/27/1980 |
| 4157007 | Asymmetric digital watch module An electronic watch module includes a circuit board having all the electronic watch components including a plurality of LED's and a CMOS integrated circuit device mounted on one side thereof defined as the face of the board. The board is of a generally fl... | 06/05/1979 |
| 4155782 | Watch case A watch case made of an alloy consisting essentially of 30 to 45% by weight of Cr, 2.5 to 5.0% by weight of Al and the balance essentially Ni, said alloy having been subjected to an aging treatment. The watch case is high in hardness and corrosion resista... | 05/22/1979 |
| 4092820 | Electronic timepiece An electronic timepiece in which a higher frequency signal from a frequency standard is divided down to a lower frequency drive signal by a frequency converter. The drive signal is applied through a driver circuit to an electro-mechanical transducer which... | 06/06/1978 |
| 4087894 | Method of manufacture of watch case A watch case is made from an electrically conductive hard material compoud from aluminum oxide and titanium carbide by forming a blank by sintering the material, subjecting the blank to a heat treatment, spark machining the blank to its final form, and f... | 05/09/1978 |
| 4064688 | Touch sensitive electrode assembly for solid state wristwatches A front glass sheet having a viewing window and conventionally received within a casing of a solid state wristwatch, is made of electrically conductive glass material which manifests conductivity per se, for serving as one of the principal components of a... | 12/27/1977 |
| 4051665 | Operating switch and retainer for digital watch cases Electronic digital watches may be placed in an electrically non-conductive watch case which may be molded or cast plastic, together with an electrically conductive retainer casing, and the other components usually found in such electronic digital watches ... | 10/04/1977 |
| 4034552 | Wrist watch A wrist watch comprising a case having holes therethrough and a cavity therein adapted to receive a watch movement; first and second segments each having a selected outer contour and a selected inner contour; a wrist band having holes therethrough in alig... | 07/12/1977 |
| 3992870 | Watertight nonconductive electronic watchcase including conductive internal plate An electrically nonconductive watchcase for use with electronic timepieces is disclosed. By means of an internal plate electricity is conducted from the energy cells to the integrated circuit and display package without the need for utilizing the watchcas... | 11/23/1976 |
| 3977176 | Electronic watch structure An electronic watch structure comprising separate molded plastic rectangular packages for the electronic watch movement and for the battery. The separate packages are mechanically and electrically connected together. The electronic watch movement package ... | 08/31/1976 |
| 3975899 | Multi-function watch casing A major portion of the watch case is comprised of a molded transparent integral plastic body of electrical insulating material, the top central portion of the body defining a lens for a digital read-out module within the watch and opposite side portions d... | 08/24/1976 |
| 3968643 | Wristwatch case and wristlet assembly A molded plastic wristwatch case has a rear face with a flat peripheral shoulder and a protruding back having horns, which fits on a complementary central case-receiving part of a plastic wristlet also molded in a single piece. Lateral extremities of shou... | 07/13/1976 |
| 3968640 | Digital watch with elastomer housing block and flexible printed circuitry A digital watch having an elastomer spacer block which houses the watch batteries, the oscillator crystal, and the substrate with its electronics and optical display elements mounted thereon; all in the same cavity. Said digital watch also has a flexible ... | 07/13/1976 |
| 3945196 | Universal solid state time-keeping package An assembly of electronic components and a method of packaging such components to form a solid state time-keeping device capable of being housed in watch cases having different external configurations. The assembly includes a sub-assembly component which ... | 03/23/1976 |
| 3931704 | Watch case and method for manufacturing the same A watch case wherein a back wall is integral with a side wall which projects forwardly from the back wall while surrounding a space which is closed at one end of the side wall by the back wall and which is open at the opposed end of the side wall, the lat... | 01/13/1976 |
