Gasket for vacuum apparatus

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Description

FIG. 1 is a front view of a gasket for vacuum apparatus showing my new design, the rear being the same;

FIG. 2 is a top view, the bottom being the same;

FIG. 3 is a side view thereof; and,

FIG. 4 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D33782 December 1900 Merwarth
4268047 May 19, 1981 Tashlick
4779903 October 25, 1988 Maier et al.
4802506 February 7, 1989 Aslanian
5022663 June 11, 1991 Fabes et al.
Patent History
Patent number: D368516
Type: Grant
Filed: Nov 12, 1993
Date of Patent: Apr 2, 1996
Inventor: Keizo Matsumura (Koto-ku, Tokyo 136)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Eric Watterson
Law Firm: Lowe, Price, LeBlanc & Becker
Application Number: 0/15,261
Classifications
Current U.S. Class: Gasket Or Packing (D23/269)