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| Number | Title | Issue Date |
| 4233687 | Sports helmet with face mask A combination sports helmet and face mask construction is disclosed in which a mask of grid-like configuration having a peripheral base portion is attached to the helmet in a novel manner. In one embodiment of the invention, the attachment means includes ... | 11/18/1980 |
| 4233688 | Bib The invention relates to a bib made of sheet material such as paper and by which a substantially rectangular sheet is provided with a rupture line along a neckline cutout in order to allow the user of such a bib to remove the part of the sheet inside said... | 11/18/1980 |
| 4233689 | Protective headgear Disclosed herein is a protective device for the head which is particularly adapted for use in learning the art of self-defense and for training in the martial arts. The device is comprised of an inner transparent shell and a pair of flexible sheets of tra... | 11/18/1980 |
| 4233690 | Prosthetic device couplings A prosthetic element is securely joined to a natural element of the human body using a ductile metal alloy coupling member which has a transition-temperature range and which has been deformed from its original shape at a temperature below its transition-t... | 11/18/1980 |
| 4233691 | Bedpan guard A bedpan guard adapted to lie across a portion of the bedpan opening and to be removably attached to the bedpan whereby the male patient's genitalia is supported by the guard and prevented from contacting waste material in the pan and contacting the botto... | 11/18/1980 |
| 4233692 | Rest rooms A rest room module adapted for rapid, efficient and thorough manual or automatic cleaning is provided having a unitary floor, ceiling and four walls, an entrance in one of said walls, a sealable closure for said entrance, a drain opening in said floor, li... | 11/18/1980 |
| 4233693 | Height-adjustable wash-basin A height-adjustable washbasin is provided by the present invention. The basin is supported by at least one supporting arm which is pivotally mounted to a fixed surface at one end and received within the washbasin structure at the other end. An arresting e... | 11/18/1980 |
| 4233694 | Spa construction and isolated controls therefor A spa construction for use by humans comprising a shell for containing water and having a well for receiving the feet of the user. A seat is provided adjacent the well upon which the user can sit. A side wall is provided against which the user can rest hi... | 11/18/1980 |
| 4233695 | Swimming pool cover with rain water drainage and filter means An improved flexible, removable cover for swimming or other pools, which reduces contamination of water in the pool and is easy to maintain, has one or more discharge openings 13 covered by a further sheet 14 secured to the cover round its periphery and p... | 11/18/1980 |
| 4233696 | Toilet seat A semi-squat toilet seat: The toilet seat has enlarged inward sloping opposite middle portions for the supportive engagement of the user's thighs and an opening including enlarged front and rear portions and a relatively narrow middle portion. The lack of... | 11/18/1980 |
| 4233697 | Protective flange cover and method of use A protective cover or cap for connection to a toilet mounting flange installed on a drain or discharge pipe is described. The cover protects the stems of bolts for connecting the flange to the toilet by means of at least two tubular extensions on the cove... | 11/18/1980 |
| 4233698 | Pressure flush tank for toilets A pressure flush tank assembly for toilets which includes a combination of a flush valve coordinated with an air induction valve and refill valve to insure successful repetitive operation, together with a construction which prevents back-flow in the event... | 11/18/1980 |
| 4233699 | Portable security wall A portable security wall incorporating a first section, insertable beneath a chair cushion, couch cushion, mattress, or the like, on which an infant may be placed, and a second section, angularly disposed with respect thereto, to serve as a backstop to pr... | 11/18/1980 |
| 4233700 | Ventilated body positioner A ventilated body positioner device and the like is formed from a block of polyurethane foam having resilient characteristics capable of deformation of the type having a length substantially greater than its width so that the block may be rotated on one o... | 11/18/1980 |
| 4233701 | Napped bedding blanket A napped bedding blanket having an enhanced hand and a more uniform surface appearance and which substantially avoids the problem of shedding and pilling without chemical treatment or mechanical locking and thereby is able to substantially maintain its in... | 11/18/1980 |
| 4233702 | Fish tank rock cleaner A fish tank cleaning system comprising a water pump, a hose connected to the water pump, a stone cleaning tool comprising a housing, the lower end of the housing being open to engage rocks on the bottom of an aquarium, a stirring rod moveably extending th... | 11/18/1980 |
| 4233703 | Cleaning device A device for use in cleaning the wheels of golf buggies. The device comprises driven rollers which are arranged to support the vehicle's wheels and to induce rotation of the wheels by peripheral engagement. A brush is located between the rollers for conta... | 11/18/1980 |
| 4233704 | Oil dipstick cleaning device A device adapted to permit the cleaning of the dipstick employed to measure the oil level in engines, includes a support preferably of a metallic material adapted to hold and contain a pad of rubber, foam rubber, or other suitable materials, the oil-dipst... | 11/18/1980 |
| 4233705 | Paint metering tray for roller applications A paint metering tray for use with conventional paint applicator rollers. The tray has a paint distribution roller spanning the width thereof, the bottom portion of which will be immersed in the paint in the tray. A paint metering bar is engaged against t... | 11/18/1980 |
| 4233706 | Apparatus for cleaning of large scale textile coverings, especially carpets and wall to wall carpeting An improvement is disclosed in an apparatus of the type employed for cleaning textile coverings, especially rugs and carpeting where the apparatus is provided with at least one spray jet connected to a supply of cleaning fluid and a suction jet is connect... | 11/18/1980 |
| 4233707 | Footwear cleaning apparatus An apparatus cleans footwear with a closed system utilizing brushes and with recirculating compressed air. The apparatus has a housing and a cover containing a grill mounted to the housing by springs. Beneath the grill are a pair of cylindrical brushes wh... | 11/18/1980 |
| 4233708 | Self-closing hinge apparatus A self-closing hinging apparatus includes an upper hinge, a lower hinge and a reinforcing bar welded to both the upper hinge and the lower hinge to maintain them in proper alignment. The leaves of the lower hinge are longer than the leaves of the upper hi... | 11/18/1980 |
| 4233709 | Link cutter A link cutter apparatus for separating stuffed product casing links interconnected by twisted casing sections includes a conveyor having a plurality of hooks extended therefrom at spaced-apart positions thereon. A cutting member is positioned on the suppo... | 11/18/1980 |
| 4233710 | Molding apparatus A molding apparatus for molding a pressurized plastic material of the nature of ground meat or other food such as ground fish and the like in which the apparatus comprises a movable mold having a mold opening for receiving a pressurized charge of the mate... | 11/18/1980 |
| 4233711 | Metallic card clothing Metallic wire card clothing is provided having a sharpened leading edge on each of the longitudinally aligned teeth formed in a metallic strip by an apparatus which includes a punch. During punching, the relative direction of travel of the punch is illust... | 11/18/1980 |
| 4233712 | Stirrup buckle This invention relates to an improved stirrup buckle characterized by a generally channel-shaped "keeper" having at least one and preferably a pair of pins projecting therefrom in side-by-side spaced relation adapted to enter selected registered pairs of ... | 11/18/1980 |
| 4233713 | Lockable buckle for belts, straps and the like A lockable buckle for belts, straps and the like, consisting of an exterior housing, or shoe, accommodating a freely movable locking slide which forms, between it and the inside of the housing, a locking area for nipping a belt or the like passing through... | 11/18/1980 |
| 4233714 | End closure End closure means comprises a latch member having a latch surface, a two part body member defining a latch member receiving recess between the two parts, a hinge connecting the two parts together on one side of the body member, and a pair of mutually enga... | 11/18/1980 |
| 4233715 | Fastening means for flexible material A composite identification band having multiple identification indicia, the assembly of which comprises a strap with a lower pocket overlying an upper or exposed surface and opening at one end to receive a pressure-adhesive or any other type label adapted... | 11/18/1980 |
| 4233716 | Photoelectric heddle detection device Apparatus for detecting absence or misalignment of heddles at the drawing-in position on a warp drawing machine by photoelectric means. The detection of such a condition is employed to stop the operation of the warp drawing machine until the condition is ... | 11/18/1980 |
| 4233717 | Method of bevelling port openings in cylinders for two-cycle engines A method of bevelling the peripheral edges of port openings on the inner wall of cylinders for two-cycle engines. At least the upper and lower edges of the port opening on the inner wall of a cylinder are shaped, in advance when casting the cylinder, into... | 11/18/1980 |
| 4233718 | Method for applying a desired sealing pressure between refractory plates of sliding nozzle A method and apparatus for applying a sealing pressure to the stationary and sliding refractory plates of a sliding nozzle regulating the flow of molten metal from a vessel containing such molten metal. The method includes the steps of positioning the sli... | 11/18/1980 |
| 4233719 | Method for manufacturing a heat transfer assembly An improved method for manufacturing a heat transfer assembly particularly useful as a component of a radiator used to remove heat from the coolant of an internal combustion engine. The heat transfer assembly includes a plurality of louvered fin strips ha... | 11/18/1980 |
| 4233720 | Method of forming and ultrasonic testing articles of near net shape from powder metal A method for sonic testing powder metal articles made by hot isostatic pressing in a thick-walled container including the steps of preparing the composite thick-walled container and article for sonic testing by machining sonic surfaces in the exterior sur... | 11/18/1980 |
| 4233721 | Tension control of fasteners There is disclosed a technique for tightening threaded fasteners in which values of offset torque, initial tension rate relative to angle, final tension rate relative to angle and other joint related factors are empirically determined by instrumenting a p... | 11/18/1980 |
| 4233722 | Tension control of fasteners There is disclosed a technique for tightening threaded fasteners in which values of offset torque, initial tension rate relative to angle, final tension rate relative to angle and other joint related factors are empirically determined by instrumenting a p... | 11/18/1980 |
| 4233723 | Tension control of fasteners There is disclosed a technique for tightening threaded fasteners in which values of offset torque, initial tension rate relative to angle, final tension rate relative to angle and other joint related factors are empirically determined by instrumenting a p... | 11/18/1980 |
| 4233724 | Method of accurately positioning fiber cables within ferrules An improved connector is disclosed for interconnecting a plurality of fiber optic cables with a like plurality of fiber optic cables or optical devices, the fibers of the cables being accurately positioned within the respective connectors. The subject con... | 11/18/1980 |
| 4233725 | Method and apparatus for inserting a flexible inner container within a rigid outer container A method for pressurizing an aerosol dispensing system with propellant in which a flexible inner container is inserted within a rigid outer container. The mouth opening of the inner container, having flexible means thereon, extends outwardly through the n... | 11/18/1980 |
| 4233726 | Method of joining a tube to a plate A tube-to-plate connection includes a plate defining an aperture where the tube is to be attached to the plate, the portion of the plate surrounding the aperture including a flange extending away from the plane of the plate and providing, at its distal ex... | 11/18/1980 |
