Device for pipetting of liquids

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Description

FIG. 1 is a perspective view of a device for pipetting liquids showing my new design;

FIG. 2 is a perspective as seen from the side opposite FIG. 1; and

FIG. 3 is a fragmentary rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D199309 October 1964 Tietje
D228492 October 1973 Cohen
3244009 April 1966 Tietje et al.
3290946 December 1966 Pursell
3760639 September 1973 Sokol et al.
3810391 May 1974 Suovaniemi
3991617 November 16, 1976 Marteau d'Autry
Patent History
Patent number: D246380
Type: Grant
Filed: Sep 23, 1975
Date of Patent: Nov 15, 1977
Inventor: Alfons Th. Boothby (2940 Wilhelmshaven)
Primary Examiner: Bernard Ansher
Attorney: David Toren
Application Number: 5/616,076
Classifications
Current U.S. Class: D24/55
International Classification: D2402;