Invalid seat cushion

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Description

FIG. 1 is a front, top and right side perspective view of an invalid seat cushion showing my new design;

FIG. 2 is a top plan view, the bottom being substantially identical;

FIG. 3 is a view like FIG. 1 with the insert removed;

FIG. 4 is a front elevational view with the insert in place;

FIG. 5 is a view like FIG. 3 of a modified form of an invalid seat cushion showing my new design wherein the insert is C-shaped; and

FIG. 6 is a top plan view thereof with the insert in place, the bottom being substantially identical.

Referenced Cited
U.S. Patent Documents
2494813 January 1950 Hughes
3118152 January 1964 Talley
3146469 September 1964 Slade
3261031 July 1966 Gates
3383713 May 1968 Adams
3451071 June 1969 Whiteley
3890658 June 1975 Petersilie
4067409 January 10, 1978 DiMatteo et al.
4229039 October 21, 1980 Day
4234228 November 18, 1980 Flamm
4287619 September 8, 1981 Brewer et al.
4296506 October 27, 1981 Stoute, Sr. et al.
Foreign Patent Documents
8369 1892 GBX
Other references
  • Sears Home Health Care Catalog, 1982.
Patent History
Patent number: D278779
Type: Grant
Filed: May 27, 1982
Date of Patent: May 14, 1985
Inventor: John B. Sink (High Point, NC)
Primary Examiner: Jane E. Corrigan
Application Number: 6/382,784
Classifications
Current U.S. Class: D/6596