Rubber stopper

- Akzo N.V.
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Description

FIG. 1 is a perspective view of a rubber stopper showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a cross-sectional view thereof taken in the direction of the arrows along line 5--5 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D289796 May 12, 1987 Larkin
3454178 July 1969 Bender et al.
3589983 June 1971 Holderith et al.
4193402 March 18, 1980 Rumpler
4572390 February 25, 1986 Grittmann
4915243 April 10, 1990 Tatsumi et al.
Patent History
Patent number: D328033
Type: Grant
Filed: May 25, 1990
Date of Patent: Jul 21, 1992
Assignee: Akzo N.V. (Arnhem)
Inventor: James L. DiGuiseppi (Durham, NC)
Primary Examiner: Bernard Ansher
Assistant Examiner: Dominic Simone
Attorney: Donna Bobrowicz
Application Number: 7/530,935
Classifications
Current U.S. Class: D/9439; D/9435