Pipette tip

- Bio-Plas, Inc.
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Description

FIG. 1 is a perspective view of a pipette tip incorporating my design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a cross section taken on line 5--5 of FIG. 3.

Referenced Cited
U.S. Patent Documents
D198263 May 1964 Tietje et al.
D246380 November 15, 1977 Boothby
D255601 June 24, 1980 De Vaughn
D256052 July 22, 1980 De Vaughn
3244009 April 1966 Tietje et al.
3991617 November 16, 1976 d'Autry
Other references
  • Fisher Scientific 81, .COPYRGT.1980, p. 282, Pipet Tips, item No. 21-244-4, Pipet Tip.
Patent History
Patent number: D274651
Type: Grant
Filed: Dec 10, 1981
Date of Patent: Jul 10, 1984
Assignee: Bio-Plas, Inc. (San Francisco, CA)
Inventor: Donald H. De Vaughn (San Francisco, CA)
Primary Examiner: Bernard Ansher
Law Firm: Flehr, Hohbach, Test, Albritton & Herbert
Application Number: 6/329,187
Classifications
Current U.S. Class: D24/55; D24/29; D24/99