Life preserver
Description
FIG. 1 is a front elevational view of a life preserver showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
286660 | October 1883 | Weil |
1127174 | February 1915 | Brazil |
2331301 | October 1943 | Brown |
1339852 | December 1973 | GBX |
Patent History
Patent number: D309491
Type: Grant
Filed: Mar 31, 1988
Date of Patent: Jul 24, 1990
Inventor: Lawrence R. Martin (Flint, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorney: Jerry T. Kearns
Application Number: 7/176,406
Type: Grant
Filed: Mar 31, 1988
Date of Patent: Jul 24, 1990
Inventor: Lawrence R. Martin (Flint, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorney: Jerry T. Kearns
Application Number: 7/176,406
Classifications
Current U.S. Class:
D21/238;
D21/237