Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 4801005 | Oil dripping absorption and containment kit This invention consists of a mat which is designed to absorb a maximum amount of oil, keep the oil from seeping onto floors or work areas, be laid flat on floors or work areas, be unfolded during removal from containers, and folded to be repackaged in the... | 01/31/1989 |
| 4796399 | Combination walk-off and fatigue mat An improved combination walk-off and fatigue mat constitutes an improvement over the mat of U.S. Pat. No. 3,703,059 in the provision of three additional structural features, namely tertiary ribs which prevent the upper ribs from spreading apart and catchi... | 01/10/1989 |
| 4769895 | Interlocking dust control mats A plurality of rubber-backed dust control mats are interconnected by a connecting strip which has projections thereon which engage mating projections on the outer surface of the rubber backing on the mats.... | 09/13/1988 |
| 4741941 | Nonwoven web with projections Nonwoven web and method of making including interbonded thermoplastic fibers in an array of hollow projections extending outwardly from at least one surface of said web. The projections are separated by land areas of interbonded fibers, and the fiber orie... | 05/03/1988 |
| 4733424 | Retractable and slidable doormat housing A doormat housing comprising a swingingly retractable doormat tray seated within which is a doormat, is slidably affixed against one side of an entranceway door for use when the door is opened. In use, the doormat housing is slidingly moved to a lowered p... | 03/29/1988 |
| 4697295 | Floor cleaning device A floor cleaning device the use of which does not require the use of one's hands. The device is a towel-like member provided with a pair of pocket members on its top and bottom surfaces. Each of the pocket members is specifically configured and dimensione... | 10/06/1987 |
| 4684562 | Mat for absorbing oil and other liquids The present invention relates to an apparatus designed to catch drippings including three sheets, one formed from an absorbent, isotropically permeable material supported by a second sheet formed from an absorbent material for absorbing drippings. These t... | 08/04/1987 |
| 4663903 | Floor covering structure A floor covering for public areas such as foyers in public buildings, each section of the floor covering being substantially rectangular in plan of a fairly narrow width, having a flexible projecting tongue along one side thereof, said tongue extending to... | 05/12/1987 |
| 4614679 | Disposable absorbent mat structure for removal and retention of wet and dry soil A disposable absorbent structure for the removal and retention of moisture and/or particulate from a soiled object coming in contact therewith. The structure preferably comprises a macroscopically patterned, three-dimensionally expanded, shear resistant u... | 09/30/1986 |
| 4564546 | Easily releasable mat holder Improved holder specially adapted for disposable floor mats to be placed adjacent entryways to factories, industrial buildings, or the like or for use in connection with clean rooms, hospitals, laboratories. The holder includes a flat base adapted to hold... | 01/14/1986 |
| 4559250 | Contamination-control mats A tacky mat stack employing sheets 0.4 mil to 2.5 mils thick of either high-density polyethylene or linear low-density polyethylene or low-density polyethylene, each sheet having been treated electronically on both sides, one side having about twice the d... | 12/17/1985 |
| 4497147 | Drips-catching mats for garage floors and the like Drips-catching mats for installation in combination with a minor proportion of a floor especially a garage floor beneath a motor vehicle to capture oil drippings therefrom. The mat essentially comprises generally horizontally extending laminar elements in... | 02/05/1985 |
| 4484250 | Static dissipative mat The invention contemplates a washable dust-collecting multi-layer electrically conductive web or mat for safely and quickly discharging personnel-accumulated static electricity. An upper continuous polymeric layer of relatively low conductivity, in the or... | 11/20/1984 |
| 4420180 | Automobile floor mat with moisture collecting feature The floor mat comprises a main portion for lying flat on an automobile floor and an upwardly inclined portion for lying on an inclined surface within the automobile, such as behind the pedals. The main portion includes a centrally disposed downwardly rece... | 12/13/1983 |
| 4377016 | Footmat A shoe cleaning mat employs a plurality of spaced projections on a base layer, all projecting to substantially the same height to provide a stable support. Some of the projections are each provided with an array of radially extending ribs which are progre... | 03/22/1983 |
| 4280729 | Floor mat A floor mat having an upper and an underside, and a forward and rear end, and in which the upper side is provided with a tread portion, having a multiplicity of water flow guide-ways or channels or grooves, communicating with the rear end of the mat, and ... | 07/28/1981 |
| 4143194 | Disposable floor mat combination A disposable combination of support and mat is used for removing loose dirt from objects coming in touch with the mat. The generally flat support has an area for a mat thereon with a pair of beveled surfaces astride opposed borders of the mat area. Additi... | 03/06/1979 |
| 4109439 | Floor mat having interchangeable design elements A floor mat of the type comprising crossed, interlocking flexible strips which are arranged in grid-like fashion. A plurality of interchangeable design elements are inserted in the rectangular interstitial spaces between the strips at various places on th... | 08/29/1978 |
| 4107811 | Tacky floor mat with improved peeling provision An improved tacky floor mat for removing loose particles of dirt, dust and the like coming in contact therewith from shoes, wheels, etc. The floor mat includes a stack of adhered, peelable sheets with a layer of adhesive on the upper surface of each sheet... | 08/22/1978 |
| 4068339 | Flexible matting A flexible matting for use at an entrance porch, corridor, veranda, pool-side, interior floor of automobiles, etc. This matting consists of a base on which tread bars and rows of ridges bearing piles are arranged in a definite direction with appropriate s... | 01/17/1978 |
| 4029834 | Floor mat with hinged rigid elongated rails A floor mat comprises substantially rigid, elongated rails disposed generally parallel to each other in closely spaced relation. Each rail has a base portion for supporting the mat and a top portion with a tread surface such as a strip of carpet, abrasive... | 06/14/1977 |
| 4005943 | Resilient structures A resilient open-comparted three-dimensional structure suitable for use as a ground surface covering comprising an interlocked assembly of two pluralities of strips respectively formed at intervals with apertures and profiled regions which co-operate to i... | 02/01/1977 |
