Inflatable bolster
Description
FIG. 1 is a bottom perspective view of an inflatable bolster showing my new design; and
FIG. 2 is a top perspective view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 257309 | October 1980 | Kroll |
| 754329 | March 1904 | Milliken |
| 2620493 | December 1952 | Brelsford |
| 2918682 | December 1959 | Thoresen et al. |
| 4108492 | August 22, 1978 | Kirby |
| 4635306 | January 13, 1987 | Willey |
| 4639960 | February 3, 1987 | Quillen et al. |
| 4654907 | April 7, 1987 | Hangaard |
| 744294 | October 1966 | CAX |
Patent History
Patent number: D309228
Type: Grant
Filed: Dec 14, 1987
Date of Patent: Jul 17, 1990
Inventor: Diarmid McVicar (Qualicum Beach, British Columbia)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Application Number: 7/132,142
Type: Grant
Filed: Dec 14, 1987
Date of Patent: Jul 17, 1990
Inventor: Diarmid McVicar (Qualicum Beach, British Columbia)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Application Number: 7/132,142
Classifications
Current U.S. Class:
D/6604;
D/6596
