U.S. patent number D305,682 [Application Number 07/051,306] was granted by the patent office on 1990-01-23 for filter tank for swimming pools or the like. Invention is credited to Wallace M. Stromberg.
United States Patent | D305,682 |
Stromberg | January 23, 1990 |
Inventors: | Stromberg; Wallace M. (Wichita, KS) |
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Appl. No.: | 07/051,306 |
Filed: | May 19, 1987 |
Current U.S. Class: | D23/209 |
Field of Search: | ;D23/200,207,209 ;210/263 |
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D229309 | November 1973 | Reiner et al. |
D238363 | January 1976 | Polens |
3069014 | December 1962 | Lewis |
PAC.FAB, Inc. Advertising Flyer, front of page, Tagelus High Rate Sand Filter. . PAC.FAB, Inc. Advertising Flyer, front of page, Triton High Rate Sand Filter. . PAC.FAB Inc. Advertising Flyer, front of page, PF Sand High Rate Sand Filter. . PAC.FAB, Inc. Advertising Flyer, front of page, Mytilus FRP Single Cartridge Filter. . Swimtime Division Catalogue for United Industries, Inc., .COPYRGT.1986, p. 79, Filter System, copy attached to applicant's response to request for information in application file. . Jacuzzi Advertising Flyer, front side of page, Jacuzzi 15" MFM Sand Filter System. . Jacuzzi Advertising Flyer, 11/85, front of page, Jacuzzi 2.2 MFM Sand Filter.. |
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