U.S. patent number D402,735 [Application Number D/083,328] was granted by the patent office on 1998-12-15 for filter. This patent grant is currently assigned to Pleatco Electronic & Filter Corp.. Invention is credited to Leonard B. Kott.
United States Patent | D402,735 |
Kott | December 15, 1998 |
Inventors: | Kott; Leonard B. (North Massapequa, NY) |
---|---|
Assignee: | Pleatco Electronic & Filter
Corp. (West Babylon, NY) |
Appl. No.: | D/083,328 |
Filed: | February 6, 1998 |
Current U.S. Class: | D23/209 |
Current International Class: | 2301 |
Field of Search: | ;D23/200,207,209 ;210/493.1,493.2,484,499 |
D306640 | March 1990 | Kott |
D366516 | January 1996 | Stewart |
3448862 | June 1969 | Kudaty |
4560477 | December 1985 | Moldow |
4735720 | April 1988 | Kersting |
5211849 | May 1993 | Kott et al. |
5531848 | July 1996 | Brinda et al. |
Front cover of Pleatco's "Replacement Swimming Pool and Spa Filter Cartridge Catalog"; Date of Publication: 1991; Place of Publication United States. . Unicel's 1998 Replacement Guide (cover and pp. 1 and 71); date of Publication: unknown, but copyright notice indicates similar guides have been published since 1985; Place of Publication: United States.. |
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