Pipette tip

- Bio-Plas
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Description

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

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof; and

FIG. 5 is a cross section taken on line 5--5 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D198263 May 1964 Tietje et al.
D204352 April 1966 Eizenberg
D224102 July 1972 Raczak
Other references
  • Cole-Parmer, .COPYRGT.1974, 1975-1976 Cat., p. 272, "Poly-Cone" Adapter. Cole-Parmer, .COPYRGT.1976, 1977-1978 Cat., p. 260, Disposable Pipette Tips.
Patent History
Patent number: D255601
Type: Grant
Filed: Oct 25, 1977
Date of Patent: Jun 24, 1980
Assignee: Bio-Plas (San Francisco, CA)
Inventor: Donald H. De Vaughn (San Francisco, CA)
Primary Examiner: Bernard Ansher
Law Firm: Flehr, Hohbach, Test
Application Number: 5/845,249
Classifications
Current U.S. Class: D24/55; D24/99
International Classification: D2402;