Closure cap

- Bio-Plas, Inc.
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Description

FIG. 1 is a top perspective view of a closure cap, showing my new design; the broken lines indicating the tube are shown for illustrative purposes only;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D162893 April 1951 Soffer
D225620 December 1972 Schmid
D262741 January 19, 1982 Fay
1430685 October 1922 Sampson
2240101 April 1941 Smith
2304532 December 1942 Boxley
2312738 March 1943 Vlanet
3005564 October 1961 Weichselbaum
3085705 April 1963 Varney
3133656 May 1964 Foster
Other references
  • Fisher Scientific p. 1185, 1981 Test Tube Cap.
Patent History
Patent number: D289379
Type: Grant
Filed: Jun 11, 1984
Date of Patent: Apr 21, 1987
Assignee: Bio-Plas, Inc. (San Francisco, CA)
Inventor: Donald H. DeVaughn (San Francisco, CA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Linda Titolo
Law Firm: Flehr, Hohbach, Test, Albritton & Herbert
Application Number: 6/619,347
Classifications
Current U.S. Class: D/9452; D/9453; D/9454