Life jacket inflation unit

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Description

FIG. 1 is a top, perspective view of a life jacket inflation unit showing my new design;

FIG. 2 is a side elevational view of the side opposite that shown in FIG. 1;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D202319 September 1965 Shugarman
D239417 March 1976 Schuler
D243635 March 8, 1977 Miller
D275616 September 18, 1984 Gray
4157092 June 5, 1979 Fare et al.
4494538 January 22, 1985 Ansite
Patent History
Patent number: D300172
Type: Grant
Filed: Oct 18, 1985
Date of Patent: Mar 7, 1989
Assignee: Engineering Patents & Equipment Lmt. (Jersey)
Inventor: John S. Martin (Denham, Near Uxbridge)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Law Firm: Spencer & Frank
Application Number: 6/788,977
Classifications
Current U.S. Class: Pressure Regulating Or Relieving (D23/235); D21/237; D29/6