U.S. patent number D472,522 [Application Number D/161,735] was granted by the patent office on 2003-04-01 for quad receptacle with outlet covers. This patent grant is currently assigned to Tower Manufacturing Corporation. Invention is credited to Peter MacKay.
United States Patent | D472,522 |
MacKay | April 1, 2003 |
Inventors: | MacKay; Peter (Warwick, RI) |
---|---|
Assignee: | Tower Manufacturing Corporation
(Providence, RI) |
Appl. No.: | D/161,735 |
Filed: | June 4, 2002 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
150666 | Nov 28, 2001 | ||||
Current U.S. Class: | D13/139.6 |
Current International Class: | 1303 |
Field of Search: | ;D13/137.1-137.4,138.1,138.2,139.1-139.8,154-155,160,173,184 ;174/53,66,67 ;361/42,166,191,641,658 ;439/135,136,137,140,141,152,160,164,446,477,484,521,528,535,536,650,651,652 |
D320568 | October 1991 | Black |
5541457 | July 1996 | Morrow |
D399488 | October 1998 | Williams |
Tripp-Lite LC 1800 TRP Line Conditioner Stabilizer, B.A. Pargh Spring/Summer 1991 Catalog, p. 486. . Photocopies of Photographs of Quad Receptacle marketed by Designer's Edge and in existence at least prior to Nov. 15, 2001.. |
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