Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 4766608 | Radiation shield garment A garment for use in a radioactive environment comprises a front portion, a rear portion, a shoulder portion used for suspending the garment over the body of a wearer, and an elasticized belt fixed to the garment at substantially waist or hip level. The b... | 08/30/1988 |
| 4766609 | Fire fighter helmet and face shield A fire fighter helmet of the type having a body which includes a peripheral brim, an arcuate face shield having an inwardly extending lip and a flexible gasket on the underside of the lip for forming a watertight seal with the brim when the shield is in a... | 08/30/1988 |
| 4766610 | Replaceable cushion liner for military headgear A headgear cushion (18) having a closed-cell foam core coated with a non-allergenic vinyl/nitrile composition. A powdered carbon is mixed with the vinyl/nitrile composition to provide a dark color. Pressure responsive material (28, 30) is adhered to the c... | 08/30/1988 |
| 4766611 | Glove and watch A golf glove (70) and watch (72) combination (74) uses a conventional golf glove (70) without modification. Strap (76) of the watch (72) feeds through retaining slots (78) on watch cases (80) and has Velcro hooks (82) on its surface facing away from the w... | 08/30/1988 |
| 4766612 | Protective work glove A work glove in combination with stiff protective members fitting around the back of each finger and the back of the hand and being removably insertable into cavities in the glove. This glove is designed principally to protect the hand and fingers against... | 08/30/1988 |
| 4766613 | Convertible pants Trousers having a flexible upper part with two lower portions intending for covering the upper leg of the wearer. The trousers also include a pair of flexible lower parts each intended for encompassing a lower leg of the user. The pair of lower parts is d... | 08/30/1988 |
| 4766614 | Ventilated protective headgear A lightweight protective headgear having ventilating qualities and having an outer shell, an elastomeric liner with a plurality of elastomeric members arranged with airspace therebetween and a porous material to keep the wearer's hair from filling the air... | 08/30/1988 |
| 4766615 | Safety helmet A safety helmet comprising a shell and a chin-strap associated thereto, the one chin-strap end being rotatably mounted on a pivot fastened to the shell, the other chin-strap end being joined to the shell through a control member rotatably mounted on a piv... | 08/30/1988 |
| 4766616 | Locking safety helmet A locking safety helmet including a helmet; a retractable shackle; locking means for locking the shackle to the helmet in the locking position; and storage means included with the helmet for storing the shackle out of the way in the retracted position for... | 08/30/1988 |
| 4766617 | Disposable sanitary toilet seat cover A disposable sanitary toilet seat cover of the type capable of being flushed in the toilet and comprising a foil or paper sheet provided with a round-going weakening line dividing the cover into a central field and an annular field, the latter serving to ... | 08/30/1988 |
| 4766618 | Toilet seat covering Apparatus for supplying a toilet seat with fresh and sanitary cover material and taking up the used material. The cover material is folded lengthwise and is dispensed from a supply reel to one terminus of the seat. The material encircles the body of the s... | 08/30/1988 |
| 4766619 | Sanitary device A shock-absorber is provided at a rear end portion of a toilet bowl is brought into operative engagement with a seat when inclination of the seat relative to an upper side of the toilet bowl becomes less than a set value. Thus, lowering or downward moveme... | 08/30/1988 |
| 4766620 | Small child's hair washing device A small child's hair washing device includes a body support portion for supporting the child's body in supine position on a counter top adjacent a sink, a head rest portion for supporting the child's head above the sink, a neck support portion adjacent th... | 08/30/1988 |
| 4766621 | Fisherman's portable sink A lightweight, manually portable, fisherman's sink comprising a rectangular plastic working surface with integrally fabricated recessed sink and sidewalls that extend above and below the working surface. The sink is further equipped with a cutting board a... | 08/30/1988 |
| 4766622 | Peritoneal waste discharge systems Disclosed is a peritoneal waste discharge system including a disinfectant storage chamber, a measuring chamber in selectable fluid contact with the storage chamber, a discharge cup in selectable contact fluid with the measuring chamber, a peritoneal bag v... | 08/30/1988 |
| 4766623 | Spring counterbalanced folding wall bed A spring counter-balanced folding wall bed is described in which compression springs are mounted along the inside surfaces of the bed frame members. The bed frame members are pivoted on a supporting framework and a connecting rod extends between one end o... | 08/30/1988 |
| 4766624 | Mattress assembly having rows of coil springs formed from a single continuous length of wire A bedding mattress, including a spring assembly having top and bottom parallel surfaces, padding over the top and bottom surfaces, and an upholstered covering completely encasing said spring assembly and padding. The spring assembly comprises multiple par... | 08/30/1988 |
| 4766625 | Box spring having rows of coil springs formed from a single length of wire A box spring comprises a rectangular base frame, a wire grid, and a plurality of parallel rows of coil springs supporting the grid atop the base frame. Each row of coil springs is made from a single continuous length of wire in which adjacent coils are in... | 08/30/1988 |
| 4766626 | Support pad working on or about vehicle tires A portable pad including a primary pad section and secondary pad sections defining an indentation for receiving a vehicle tire with the secondary pad sections adapted to be disposed on opposite sides of the tire.... | 08/30/1988 |
| 4766627 | Bed pad support for an invalid The present disclosure relates to a buoyant bed pad support for an invalid and has a rectangular top and bottom sheet of cotton muslin and polyethylene fabric enclosing a buoyant batting filler of a loosely hollow slick polyester garnetted into a batting.... | 08/30/1988 |
| 4766628 | Air mattress with filler check valve and cap therefor An air mattress has a filler check valve connected to an air blower to supply air to the mattress chamber. A holder secured to the air mattress locates the filler check valve in a recessed position relative to an outer wall of the mattress. The filler che... | 08/30/1988 |
| 4766629 | Ventilated flotation mattress The flotation mattress includes an outer cover which defines an enclosed inner area divided into three sequential sections by transverse dividing walls. Each section includes alternating water columns and ventilation chambers arranged across the section b... | 08/30/1988 |
| 4766630 | Twin-brushes rotary toothbrush Rotary toothbrush utilizes a longitudinally extending hollow barrel having a fore-end and a rear-end. Longitudinally extending and reciprocatable strokearm mechanism is predominately located within the hollow barrel but includes a forward-portion always l... | 08/30/1988 |
| 4766631 | Sewer pipeline hydraulic root cutter apparatus A sewer pipeline root cutting apparatus having entirely internal fluid passageways and interchangeable skids. A hydraulically driven motor drives a shaft for attachment of a cutting tool at one end, and has a thrusting nozzle connecting a high pressure ho... | 08/30/1988 |
| 4766632 | Expandable mop frame An Adjustable mop frame to which predetermined multiples of length can be added to provide wider dust mops and the dust mop handle will always be centrally located on the mop for the convenience of the user. The basic mop frame has a connection on both en... | 08/30/1988 |
| 4766633 | Tooth and sulcus brush A toothbrush comprising five or seven rows of tufts of soft filaments or bristles of which the middle row of bristles is higher than the rows of tufts of bristles on each side. The middle row performs the special task of cleaning the gum line or sulcus wh... | 08/30/1988 |
| 4766634 | Radius edger A hand tool for forming the tight radius exterior corner of a cement surface. The tool which consists of a flat inflexible circular plate the circumference of which is curved upward, except for segment of which is curved downward in a spout-like manner. T... | 08/30/1988 |
| 4766635 | Interior edge-edger A hand tool for forming the interior edge of a cementious surface. The tool which consists of a flat inflexible rectangular plate shaped such that shorter leading and trailing edge curve upward, and one of the longer edges has a central portion curving ou... | 08/30/1988 |
| 4766636 | Wiper blade having floating suppressing structure Herein disclosed is a wiper blade which is constructed to suppress or at least minimize undesirable wiper blade floating phenomemon which would occur during high speed cruising of a vehicle in the rain. The wiper blade comprises a main lever detachably co... | 08/30/1988 |
| 4766637 | Wet vacuum apparatus A wet vacuum apparatus which includes a vacuum head which connects through a flexible hose to a pump. The outlet of the pump connects to a mounting plate with this mounting plate to be installed between a conventional toilet and the floor of a building. T... | 08/30/1988 |
| 4766638 | Four-way vacuum cleaner A multi-use vacuum cleaner has a central body which houses a motor, air impeller, battery and a dirt collection chamber. One end of the central body has a face inclined to the longitudinal axis of the central body with a rectangular inlet orifice into whi... | 08/30/1988 |
| 4766639 | Blocking device for a vacuum cleaner In a vacuum cleaner having a disposable dust bag of the kind comprising an attachment plate of cardboard or the like, and a cover adapted to be opened for the replacement of the dust bag, a blocking device is provided which is adapted to prevent closing o... | 08/30/1988 |
| 4766640 | Self-propelled upright vacuum cleaner having a remotely disposed transmission and a positive locking mechanism A self-propelled, upright suction or vacuum cleaner includes a base unit and a handle assembly pivotally extending therefrom that can be pivoted from an upright position to a comfortable operating position. The handle assembly includes a handle grip at on... | 08/30/1988 |
| 4766641 | Detent clutch for a vacuum cleaner A clutch mechanism for use in the drive mechanism for a vacuum cleaner floor cleaning rotary brush is provided which prevents damage to the drive belt in the event the brush becomes jammed and is prevented from rotating. A cam ring having external bumps c... | 08/30/1988 |
| 4766642 | Handle assembly A decorative handle which is attachable to a rotatable stem and has a decorative insert held therein is disclosed. In one version, the insert member is retained by a retainer assembly which engages the decorative insert. The retainer assembly holds the in... | 08/30/1988 |
| 4766643 | Vehicle door hinge having vertically separable pivotal connections A lift-off vehicle door hinge is formed of a pair of interleaved stampings having pivot pins received in bearings in relatively pivotally movable parts of the stampings and an abutment tab is formed as one of the stampings to prevent lift-off separation w... | 08/30/1988 |
| 4766644 | Mounting support Device for supporting a carcass or part of a carcass of slaughtered poultry, having a first and a second support member having surface parts facing one another, in which one of the support members is so constructed that it is suitable for penetrating into... | 08/30/1988 |
| 4766645 | Size control system for stuffing machine An apparatus for controlling the stuffed casing diameter includes shoes which ride against the stuffed casing to monitor its diameter. These shoes drive a digital encoder which issues pulses representing deviations of the stuffed diameter from a predeterm... | 08/30/1988 |
| 4766646 | Poultry processing This invention relates to a method of eliminating infection of poultry by undesirable microorganisms such as salmonella during processing. The method consists of dipping the poultry carcass prior to plucking into scald water containing an effective amount... | 08/30/1988 |
| 4766647 | Apparatus and method for measuring a property of a continuous strand of fibrous materials A method and apparatus are disclosed primarily for measuring the linear density of a sliver of fibrous strands (e.g. textile) as they are drawn through a trumpet on a processing machine. The measurement is made by detecting the naturally occurring acousti... | 08/30/1988 |
