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Patents Published on 04/03/1990


See All Patents Issued In 1990


1                      
NumberTitleIssue Date
4912777Diver's safety cap
A safety cap is provided to be worn on the head of a diver such as a scuba diver or snorkelor, for protection against contusions, abrasions, incisions, lacerations and the like. The safety cap comprises an exterior, unitary shell of part-spherical configu...
04/03/1990
4912778Heat reflective skull cap shield for use in hard hats
The present disclosure is directed to a heat reflective shield having a plurality of spherical triangular panels each having aluminum foil on one side and a heat resistant fabric adhered to the other side, for use with a hard hat. The panels are stitched ...
04/03/1990
4912779Visor
A visor formed from sheet material includes a bill formed with integral straps, one of which has a slot near its end extending obliquely across the strap. The other strap has a series of triangular teeth on both of its edges, which provide positive lockin...
04/03/1990
4912780Combined shirt and religious garment
A combined shirt and religious article that is rectangular in shape, includes a neck opening, and fasteners for fitting it to the torso of the wearer. It replaces the need for a separate undershirt and fringed religious garment....
04/03/1990
4912781Cut resistant yarn construction and body protective apparel
A composite yarn construction particularly adapted for use in cut resistant body protective apparel and comprising a core yarn and an abrasion and cut resistant monofilament covering yarn knitted onto and encasing the core yarn in a series of cut resistan...
04/03/1990
4912782Fluid spout providing lamelliform outflow
A spout fixture for bathtubs, wash basins or the like has a body with a thin horizontal water emission zone from which a sheet-like flow of water is directed along the underside of a flow guide to a discharge zone at the end of the flow guide. The flow gu...
04/03/1990
4912783Toilet lid closing device
A toilet lid closing device for use on toilets of the type having a vertical tank with a flushing lever, a bowl, a seat and an overlying lid pivotally mounted by a hinge pin, has a torsional coil spring received around the hinge pin which biases the lid a...
04/03/1990
4912784Toilet bowl splash guard
A guard for a toilet hinge coupling a toilet seat to a toilet bowl. The guard includes an easily cleanable, impervious shield member that shields the toilet hinge and surrounding area from foreign matter, without interfering with the operation of the toil...
04/03/1990
4912785Pool accessory device
A device adapted for preventing an automatic pool cleaner from being caught between an interior surface of a pool and a pool ladder having a pair of side rails and a plurality of steps therebetween. The device comprises a body adapted to be positioned bet...
04/03/1990
4912786Feet immersion tray
A germical liquid-containment tray positionable alongside a swimming pool so that a person can stand in the tray to remove germs and/or dirt from the sole areas of his/her feet prior to entering the pool. The tray has the shape of two human feet, such tha...
04/03/1990
4912787Hydraulic stretcher device
A stretcher for supporting incapacitated individuals that may be selectively positioned by two pairs of hydraulic cylinders located near each end thereof is shown. The piston rods associated with each such pair, located together with their respective cyli...
04/03/1990
4912788Seat pad for invalid patients
The present invention is directed towards a seat cushion for use by a person sitting in a chair or a bed. The seat cushion includes a base layer of padded material with raised cushion areas and depressed recessed areas. The cushion areas correspond to and...
04/03/1990
4912789Waterbed mattress
A waterbed mattress is disclosed having a cushioned box shaped frame with a base sheet securely attached to the box shaped frame, the combination forming therein cavity. A plurality of elongated fluid filled containers are disposed within the cavity, and ...
04/03/1990
4912790Fitted bed sheets
A fitted bed sheet includes a substantially rectangular main body portion of substantially the same dimensions as a selected mattress. Side portions extend from the sides of the main body portion and terminate in longitudinal edges. End portions extend fr...
04/03/1990
4912791Pretreatment of textile materials: alkaline scour or bleach with organo-phosphorus compound
Textile materials are pretreated in aqueous media by alkaline scouring and/or bleaching using an assistant comprising a compound of the general formula I ##STR1## where R is C6 -C10 -alkyl, X is H, Na, K or NR1 R...
04/03/1990
4912792Continuous finish treatment for woolen fabrics
A fabric such as a knitted wool or wool mixture is treated by the application of a crabbing agent together with a hygroscopic substance. The fabric is then dried, sheared and moistened before passing through a decatizing apparatus in which the crabbing ag...
04/03/1990
4912793Dry cleaning method and apparatus
There are disclosed a dry cleaning method and apparatus using organic solvents in which two types of solvents melted to each other, one of which is a solvent (for example, perchloroethylene or 1.1.1 trichloroethane) having large washing power and the othe...
04/03/1990
4912794Bridge having chords connected to each other by means of pleated steel sheets
A bridge designed to afford enhanced resistance to shearing forces has at least one top chord (1) of concrete and a bottom chord (2) of concrete or of metal connected to each other by means of structural elements designed to resist shearing forces. These ...
04/03/1990
4912795Prefabricated unit construction modular bridging system
A prefabricated modular unit construction bridging system in which all components are identical and interchangeable to meet any variation of span, width of roadway, number of lanes of traffic, and live load specification for any temporary, semi-permanent,...
04/03/1990
4912796Adjustable height wheelchair ramp with supporting legs
This invention discloses a new, novel and unique adjustable height wheelchair ramp with supporting legs comprised of a pair of ramps, each end of each ramp containing a ramp end section and attached to each ramp is a height adjustment and supporting mecha...
04/03/1990
4912797Paint brush cleaning device
The paint brush cleaning device includes a housing with an open top and removable lid, a bottom drain and a mounting to hold paint brushes passing an opening in the lid down into the housing's central space which has brush cleaning liquid therein. A pair ...
04/03/1990
4912798Sweeper cylinder on a streetcleaning vehicle
A snow sweeper roller is mountable on a streetcleaning vehicle so that it is suspended and is vertically swingable and rotatable about a horizontal longitudinal shaft capable of being set oblique to the lengthwise direction of the vehicle on its under sid...
04/03/1990
4912799Water main scraper
A scraper for use in repairing underground pipe breaks consisting of two parallel chains carrying transverse square scraper rods....
04/03/1990
4912800Cleaning device for golfers and construction method therefor
A cleaning device for golfers has a towel body and a brush member is secured at one corner thereof. The brush member carry perpendicular bristles for scrubbing golf implements and equipment, and the towel body provides a water absorbing medium to remove w...
04/03/1990
4912801Can cleaning brush
A brush for cleaning the top surface of beverage cans has a cylindrical body member having a central longitudinal bore. A handle on a first end face of the body has a slotted portion for lifting pull tabs of beverage cans and a bottle opener. A plurality ...
04/03/1990
4912802Screen wiper assembly
A windshield or screen wiper assembly includes a first arm which is rotatably mounted about a first fixed axis and a second arm which is mounted rotatably about a second fixed axis, substantially parallel to the first axis but offset with respect thereto....
04/03/1990
4912803Wiper blade rubber
A wiper blade rubber provided with a surface layer containing more than 50% by volume of lubricative fine powder at least on the surface of a sliding portion thereof including a lip. The surface layer is integrally press-formed with the substrate of wiper...
04/03/1990
4912804Mop wringer
A mop (12) is wrung by means of a mop wringer (10) comprising a housing (50), a pair of rotatable, wringing rollers (68, 70) having resilient roller bodies. At least one of the rollers (70) is movable between an inactive position, in which the rollers (70...
04/03/1990
4912805Dual-purpose rotating brush for vacuum cleaner
A cylindrical power brush for a vacuum cleaner includes two types of bristle tufts. One type of bristle tuft is short and stiff for contacting and agitating a carpeted surface. The other type of bristle tuft is longer and softer for contacting a hard surf...
04/03/1990
4912806Door check
A door check is disclosed which comprises a first arm pivotally attached at one end thereof to a door which is able to be opened and closed as desired; a second arm pivotally attached at one end thereof to the first arm, the other end of the second arm be...
04/03/1990
4912807Sliding door/window track assembly
A sliding door/window track assembly particularly suited for use with thick glass. Fastenable directly to both the upper and lower edges of such glass, the assembly includes a frame member made of plastic. The frame member is suspended between a pair of g...
04/03/1990
4912808Occupant assist strap and installation method
An assist strap is provided for attachment within spaced apart apertures on a vehicle body. The strap has mounting portions at the end thereof which space the strap from the vehicle body. Attaching legs are provided on each of the mounting portions and ar...
04/03/1990
4912809Tandem cone bolt anchor mounting assembly
The present invention comprises an improved mounting device incorporating two set screws acting upon two separate axially spaced-apart conical portions of an anchor bolt to produce a lateral "wedging" force which anchors the door handle securely in place ...
04/03/1990
4912810Method and apparatus for peeling crustaceans
A method and an apparatus for mechanically removing the meat from a crustacean is provided, which include the steps of loading the tail of the crustacean onto guide means, extending the tail so that it assumes a substantially horizontal position, piercing...
04/03/1990
4912811Device to open fiber bales
In a device for opening fiber bales with a plucking device capable of travelling on rails alongside a row of bales and of being lowered upon the bales, as well as with a suction channel, suction nozzles (72, 73, 82, 83) which suck away fiber material havi...
04/03/1990
4912812Device for connecting the ends of a toothed belt
A device is for connecting the ends of a toothed belt having a plurality of longitudinal reinforcing cords. The device includes a connecting element having at least two interconnected lock parts. Each of the interconnected lock parts has a plurality of ho...
04/03/1990
4912813Belt connection mechanism
A belt connection mechanism having a rotatable connection element. The connection element is mounted in a bracket and can be shifted axially out of a locking position against spring force. In the locking position, detents provided on at least one end of t...
04/03/1990
4912814Bolo clasp
A bolo clasp for a bolo tie of the type which includes a braided cord extending around the neck of the wearer, the cord having two ends, the cord being received by the bolo clasp so that the two ends extend below the bolo clasp and the clasp allows adjust...
04/03/1990
4912815Clamp assembly
A clamp assembly for securing the ends of longitudinal tensile load-bearing elements comprises a pair of rings having complementary tapered surfaces. When assembled, one ring seats coaxially inside the other ring and the elements are gripped between the t...
04/03/1990
4912816Slide and line closure device for securing watercraft to a mooring post davit, column or the like
A device for fastening a line to an object, such as a mooring post or the like is of unitary construction having a bore therethrough through which a loop in the line is threaded. The device includes a cylindrical barrel portion which is adapted to be grip...
04/03/1990
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