Test tube cap remover

Description

FIG. 1 is a perspective view of a test tube cap remover, showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a cross-sectional view thereof, the plane of the section being indicated by the line 5--5 in FIG. 3;

FIG. 6 is a cross-sectional view thereof, similar to FIG. 5 and placed on a capped test tube, the broken line showing of the test tube is for illustrative purposes only and forms no part of the claimed design;

FIG. 7 is a top plan view of a modification thereof in which the top is open;

FIG. 8 is a cross-sectional view thereof, similar to FIG. 5, but showing the open top modification of FIG. 7;

FIG. 9 is a cross sectional view thereof, the plane of the section being indicated by the line 9--9 in FIG. 2.

Referenced Cited
U.S. Patent Documents
1954422 April 1934 McIntyre
3919901 November 1975 Braman
4067473 January 10, 1978 Awer et al.
Foreign Patent Documents
4902872 May 1974 AUX
Patent History
Patent number: D293819
Type: Grant
Filed: Jan 14, 1985
Date of Patent: Jan 19, 1988
Inventor: Javid R. Alvi (Citrus Heights, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Law Firm: Lothrop & West
Application Number: 6/691,090
Classifications
Current U.S. Class: D24/29; D24/8