Mattress
Hackwell June 26, 1
U.S. patent number D308,789 [Application Number 07/110,653] was granted by the patent office on 1990-06-26 for mattress. Invention is credited to Joseph K. Hackwell.
| United States Patent | D308,789 |
| Hackwell | June 26, 1990 |
Mattress
Claims
The ornamental design for a mattress, as shown and described.
| Inventors: | Hackwell; Joseph K. (Boise, ID) |
|---|---|
| Appl. No.: | 07/110,653 |
| Filed: | October 19, 1987 |
| Current U.S. Class: | D6/605; D6/596 |
| Field of Search: | ;D6/595-596,601,604-605 ;5/431,448-449,450-452,475 ;297/180 |
References Cited [Referenced By]
U.S. Patent Documents
| D43449 | January 1913 | Burton |
| 3372407 | March 1968 | Weber, III |
| 4577357 | March 1986 | Hall et al. |
| 4607403 | August 1986 | Alivizatos |
| 4663789 | May 1987 | Smith |
| 4766627 | August 1988 | Landry |
Assistant Examiner: Vinson; Brian N.
Attorney, Agent or Firm: Dykas; Frank J. Korfanta; Craig M.
Description
The FIGURE is a perspective view of a mattress showing my new design, the undisclosed sides being identical in appearance to those shown.
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