Opener for a pressurized injection ampoule

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Description

FIG. 1 is a perspective view of an opener for a pressurized injection ampoule showing my new design;

FIG. 2 is an end elevational view thereof;

FIG. 3 is an opposite end elevational view thereof;

FIG. 4 is a side elevational view thereof; and

FIG. 5 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D291489 August 18, 1987 Dudnyk
3999451 December 28, 1976 Ogle
4508250 April 2, 1985 Punchak
4570838 February 18, 1986 Szemere et al.
Patent History
Patent number: D296824
Type: Grant
Filed: Aug 16, 1985
Date of Patent: Jul 19, 1988
Assignee: Leo Pharmaceutical Products Ltd. (Ballerup)
Inventor: Howard W. Biddle (Histon)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Law Firm: Cushman, Darby & Cushman
Application Number: 6/766,358
Classifications
Current U.S. Class: D24/25; D24/8; D24/27