Mattress pad material
Schaefer May 8, 1
U.S. patent number D307,689 [Application Number 07/122,661] was granted by the patent office on 1990-05-08 for mattress pad material. This patent grant is currently assigned to Span-America Medical Systems, Inc.. Invention is credited to Daniel J. Schaefer.
| United States Patent | D307,689 |
| Schaefer | May 8, 1990 |
Mattress pad material
Claims
The ornamental design for mattress pad material, as shown and described.
| Inventors: | Schaefer; Daniel J. (Greenville, SC) |
|---|---|
| Assignee: | Span-America Medical Systems,
Inc. (Greenville, SC) |
| Appl. No.: | 07/122,661 |
| Filed: | November 19, 1987 |
| Current U.S. Class: | D6/606 |
| Field of Search: | ;D6/595-596,597,601,604-605 ;428/141,158 ;5/430-434,448,481-482,508 ;D25/119,123,125 |
References Cited [Referenced By]
U.S. Patent Documents
| D32525 | April 1900 | Underwood |
| 658789 | October 1900 | Legg |
| 2785739 | March 1957 | McGregor, Jr. et al. |
| 3047282 | July 1962 | Hardy |
| 3507071 | April 1970 | Bryson |
| 3885257 | May 1975 | Rogers |
| 3940811 | May 1976 | Tomikawa et al. |
| 4070719 | January 1978 | Morgan |
| 4276666 | July 1981 | Yamada |
| 4320543 | March 1982 | Dixon |
| 4383342 | May 1983 | Forster |
| 4399574 | August 1983 | Shuman |
| 4603445 | August 1986 | Spann |
| 4605582 | August 1986 | Sias et al. |
| 4686724 | August 1987 | Bedford |
| 4686725 | August 1987 | Mitchell |
| 1179789 | Dec 1984 | CA | |||
| 569690 | 1958 | FR | |||
| 526407 | 1955 | IT | |||
| 571845 | Jan 1976 | CH | |||
| 1559851 | Jan 1980 | GB | |||
| 2025234 | Jan 1980 | GB | |||
| 2084867 | Apr 1982 | GB | |||
Assistant Examiner: Vinson; Brian N.
Attorney, Agent or Firm: Dority & Manning
Description
FIG. 1 is a top perspective view of mattress pad material showing my new design, the bottom being plain and unornamented and the ribbing being understood to extend uniformly through its indeterminate length which is shown broken-away; and
FIG. 2 is an enlarged fragmentary side elevational view thereof;
FIG. 3 is an enlarged fragmentary side elevational view of an alternate embodiment thereof, the only difference residing in the configuration of the edge of the ridge elements.
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