Safety cap for gas cylinders

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Description

FIG. 1 is a front perspective view of a safety cap for gas cylinders showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
2679332 May 1954 Humbarger
2964054 December 1960 Weatherhead, Jr.
3006360 October 1961 Oxenham
4521676 June 4, 1985 Poulsen
4600033 July 15, 1986 Baron
4664286 May 12, 1987 Winkelmann et al.
Patent History
Patent number: D334967
Type: Grant
Filed: Jul 27, 1989
Date of Patent: Apr 20, 1993
Inventor: Sakae Kitsuda (Hiratsuka, Kanagawa)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Attorney: James E. Brunton
Application Number: 7/386,493
Classifications
Current U.S. Class: Element Or Attachment (1) (D23/206); D/9435