Blow tube for inflatable vests

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Description

FIG. 1 perspective view;

FIG. 2 first side elevational view;

FIG. 3 top plan view;

FIG. 4 second side elevational view;

FIG. 5 bottom plan view;

FIG. 6 first end view; and,

FIG. 7 second end view.

Referenced Cited
U.S. Patent Documents
3107373 October 1963 Mellon, Jr. et al.
3138155 June 1964 Bould
4502817 March 5, 1985 Long et al.
5101818 April 7, 1992 Chace et al.
Patent History
Patent number: D339401
Type: Grant
Filed: Aug 12, 1991
Date of Patent: Sep 14, 1993
Inventor: Glenn H. Mackal (St. Petersburg, FL)
Primary Examiner: Kay H. Chin
Attorneys: Joseph C. Mason, Jr., Ronald E. Smith
Application Number: 7/745,127
Classifications
Current U.S. Class: D21/238; D21/236