Test tube cap remover
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.
1954422 | April 1934 | McIntyre |
3919901 | November 1975 | Braman |
4067473 | January 10, 1978 | Awer et al. |
4902872 | May 1974 | AUX |
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