"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 4809364 | Trunk restraint free wet suit In a wet suit having a lower trunk portion, leg portions integral with said lower trunk portion, upper trunk and neck portions, and first and second arm portions integral with said upper trunk and neck portions, the improvement comprising: (a) said upper ... | 03/07/1989 |
| 4809365 | Glove configuration and method Disclosed is a glove configuration and method for making same of a thin flexible film. The glove and form having an ambidextrous shape useful for either the left or right hand use and a cuff configuration which resists rolldown. The configuration of the c... | 03/07/1989 |
| 4809366 | Wristband and integral back of hand pad A combination wristband and back of the hand flap or pad for absorbing and wiping perspiration from the forehead and face of the wearer comprises a circumferential wristband made of an absorbent, fabric material which is elastic and stretchable in a circu... | 03/07/1989 |
| 4809367 | Cistern flushing apparatus A cistern flushing apparatus of the kind which comprises an upright stem carrying a closure member at its lower end which, in a first position of the stem, seats on a cistern outlet and which, in a second position of the stem, is raised off the outlet to ... | 03/07/1989 |
| 4809368 | Shower and bath tub A shower and bath tub is adjustable into an upwardly inclined position (A), whereby the tub has a seat (35) on which a person (41) may sit when the tub is in its upwardly inclined position. The seat has two sitting surfaces (36a, 37a) on opposite sides of... | 03/07/1989 |
| 4809369 | Portable body shower A portable body shower includes a plurality of tubular sections which can be connected to form a pipe with a closed bottom end and a hollow center. The top end of the pipe can be connected to any standard shower extension. The pipe extends downward and ha... | 03/07/1989 |
| 4809370 | Apparatus for assisting in bowel evacuation Apparatus for assisting in the evacuation of the waste matter (feces) present in the rectum and sigmoid colon consisting of a framelike structure supporting a container of warm water so positioned that the anus of the user is submersed in the water. Adapt... | 03/07/1989 |
| 4809371 | Wall bed with collapsible table Disclosed is a wall bed having a support with a collapsible side table mounted to the support. The side table is movable between a folded storage position enabling the table to be retracted into the wall with the support and an extended position with the ... | 03/07/1989 |
| 4809372 | Motor vehicle invalid lift An invalid car lift is presented which comprises a bar which is mounted on the inside of a car with the help of a strap. A winch device is mounted in bearing relationship on the bar so that the winch may be moved laterally along the bar. The winch may be ... | 03/07/1989 |
| 4809373 | Baby rocker A perambulator is rocked by two halves of a portable case which are hollow on one side and have surfaces configured on the other side to impart a rocking motion to the perambulator moving thereover when the halves are disposed in a flat open position. The... | 03/07/1989 |
| 4809374 | Padding body constituted of individual modular elements, and its application to the production of seats and of removable cushions or back-rests The invention relates to a padding body constituted of a flat support on one face of which are provided spaced apart protuberances. Said padding body is formed of modular elements held in position by a support means constituted by a grid or a plate. Accor... | 03/07/1989 |
| 4809375 | Mattress with removable mattress cover The present invention provides an improved mattress arrangement wherein the outer portion of the mattress body itself includes a deck covering which may be a conventional fabric or sheet of waterproof material for preventing any moisture from passing ther... | 03/07/1989 |
| 4809376 | Bedding with retention pockets Bedding retention pockets include four pockets attached to the bottom face of a sheet interiorly of the edges of the sheet, each pocket having and elongated band with one longitudinal edge attached to the sheet and curved to form a corner which will recei... | 03/07/1989 |
| 4809377 | Sheet retainer for waterbeds A device for retaining sheets about the edge of a mattress is adapted to be placed between the mattress and a support surface with a portion of the sheet received in a channel-like recess of the retainer and held therein to restrict undesired withdrawal o... | 03/07/1989 |
| 4809378 | Decatizing method and apparatus The initial moisture content of textile material to be decatized and fixed is controlled by a feedback-type regulator circuit which is responsive to measured values of the water content of vapor clouds produced as the material emerges from its passage aro... | 03/07/1989 |
| 4809379 | Process for the manufacture of an inner shoe for skiing boots In a process for the manufacture of an inner shoe for skiing boots by filling the inner shoe in situ with foam, the foot of the wearer is dressed with a double-walled sock (hollow sock) (14) and placed inside the skiing boot, whereafter the foam compositi... | 03/07/1989 |
| 4809380 | Leaf loading machine with counterrotating beater and broom A leaf loading machine has a rotary beater and a rotary broom on a mobile frame, both of which extend transversely of the frame. The broom is disposed rearwardly of and in tandem relation to the beater. Both the beater and the broom are disposed adjacent ... | 03/07/1989 |
| 4809381 | Apparatus for removing marine growth from pylons An underwater pylon cleaning apparatus is disclosed in which a rigid suction conduit mounted on an oceangoing vessel includes an eductor therein for providing a suction or lower pressure at the conduit inlet when water under pressure is supplied by a pump... | 03/07/1989 |
| 4809382 | Hand spray with a set of rotating brushes A hand spray has rotating brushes and consists of a housing with an inlet for the supply of water. In the housing an annular distribution chamber is delimited by means of a cup-shaped inner housing member, within which a turbine wheel is mounted. The turb... | 03/07/1989 |
| 4809383 | Device capable of adhering to a wall surface by suction and treating it A device capable of adhering to a wall surface by suction by the pressure of an ambient fluid and treating the wall surface, which comprises a pressure receiver member and a partition defining a pressure reduction zone in cooperation with the pressure rec... | 03/07/1989 |
| 4809384 | Horizontally moving automatic outer surface cleaning A horizontally moving automatic outer surface cleaning apparatus comprising horizontal rails provided above and below a surface to be cleaned such as a window glass and a carrier having engaging means for engaging with the horizontal rails for enabling th... | 03/07/1989 |
| 4809385 | Floor polishing apparatus An apparatus for imparting a high gloss to a floor including a frame, a motor mounted on the frame, a drive pad operatively rotated by the motor, a buffing pad positioned beneath the drive pad and rotated at about 2200 RPM thereby, and an adjustable shiel... | 03/07/1989 |
| 4809386 | Combined manual implement for window snow removal, ice scraping, washing and drying, for vehicles in general A vehicle implement comprising a head carried by a handle, a first seat provided along a longitudinal edge of said head and arranged to receive a rubber strip for drying windows, a second seat provided along the opposing longitudinal edge of said head and... | 03/07/1989 |
| 4809387 | Mop with squeezer A mop adapted to be squeezed by a pair of rollers mounted on the mop itself. The mop has a handle, a wiper, a squeezing cover, and a pair of rollers mounted in oblique guide slits formed in the squeezing cover. When the squeezing cover is moved down the h... | 03/07/1989 |
| 4809388 | Portable surface treating apparatus with non-straight handle A portable surface treating apparatus is provided and has a head with means for treating a surface against which the head is swept, a non-straight elongate handle with spaced ends, structure for connecting one handle end to the head, and structure at the ... | 03/07/1989 |
| 4809389 | Interdental cleaning device An interdental cleaning device having a clevis freely pivoted on one end of a shank. A brush carrier is detachably connected to and extends through the clevis and is engageable with a plurality of recesses formed on the end of the shank so that the clevis... | 03/07/1989 |
| 4809390 | Pop-open disposable debris collector A collapsed, pop-open and disposable debris collector formed of a semi-rigid blank the composition of which has a folded elastic memory, the collector forming interconnected rear abutment, side walls and a bottom, the side walls lapping the rear abutment ... | 03/07/1989 |
| 4809391 | Apparatus for removing asbestos from pipes Apparatus for removing asbestos material from horizontally arranged pipes in a linear, T-shaped or L-shaped configuration includes a rigid box-like device having a rectangular bottom wall and four side wall sections which extend upwardly from peripheral e... | 03/07/1989 |
| 4809392 | Dryer for automatic car wash equipment Dryer equipment for an automatic car wash includes at least one proximity sensing system for maintaining a forced-air stripping nozzle within a predetermined range of the surface of the vehicle. Each sensing system includes a pair of associated triple-bea... | 03/07/1989 |
| 4809393 | Electrical appliances including a cord lock An electrical appliance including an electric cord, and a cord lock comprising a rotatable body provided with a handle radially extending therefrom and an oppositely extending cam provided with a shoulder. In a first position, the handle extends upwardly ... | 03/07/1989 |
| 4809394 | Vacuum cleaner having a blower facility structure A vacuum cleaner with panel portion structure which includes an improved panel main body and a blower facility valve body. The panel main body has an exhaust air port and an opening for a blower facility. The blower facility valve body is provided at a lo... | 03/07/1989 |
| 4809395 | Canister type vacuum cleaner Canister type vacuum cleaners having a casing with convex sides which allow the vacuum cleaner to be pulled or otherwise displaced along a supporting surface irrespective of which side of the surface is facing downwardly and engaging that surface. A rolle... | 03/07/1989 |
| 4809396 | Combination vacuum and solution-dispensing apparatus A combination vacuum and liquid-dispensing apparatus provided in modular form and having several modes of operation for specific applications such as solution dispensing, spraying, and washing, as well as carpet and upholstery cleaning, wherein the appara... | 03/07/1989 |
| 4809397 | Rug and carpet cleaner A mobile rug or carpet cleaner is provided with a support housing having front and rear wheels mounted so that the unit is tilted about the housing axis of the front wheels to engage and disengage a cleaning head with the carpet to be cleaned. The cleaner... | 03/07/1989 |
| 4809398 | Vacuum cleaner combination latch and electrical contact arrangement A locking device for a pivotable cover of a vacuum cleaner, which includes at least one locking catch that engages a complementary locking means in order to lock the cover in closed position. The catch is further provided with an electric contact means wh... | 03/07/1989 |
| 4809399 | Latch hook rug holder A latch hook rug holder for use in the construction and completion of latch-hook rugs whereby the work-piece can be releasedly attached to a table for ease of completion.... | 03/07/1989 |
| 4809400 | Security hardware for doors Security hardware for an exterior entry door in which a flat piece of metal is bent into a J-shaped door jamb mounted component and in which an aperture through which a door mounted article of hardware can project is provided in the single layer part an a... | 03/07/1989 |
| 4809401 | Drapery pole installation system A drapery pole installation system is provided having an elongated generally cylindrical drapery pole forming an elongated slot extending the length thereof. Intermediate support for the drapery pole is provided by one or more intermediate hangers adapted... | 03/07/1989 |
| 4809402 | Non-metallic composite piano hinge A high strength composite piano hinge having an integral structure and of particular utility in aircraft, formed of two similar half portions each comprising a flange and an integrally formed loop, the integral flange and loop comprised of composite tape,... | 03/07/1989 |
| 4809403 | Collapsible presizing rings A collapsible ring for sizing food casing during stuffing can be reduced in size for insertion onto the deshirred end of a shirred strand for efficient packaging and storage. The sizing ring is automatically expanded to the desired sizing diameter when th... | 03/07/1989 |