Hand-held pipetting device

- Manostat Corporation
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Description

FIG. 1 is a top plan view of a hand-held pipetting device, showing our new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D199309 October 1964 Tietje et al.
D224102 July 1972 Raczak
D242729 December 14, 1976 Kenney
3244009 April 1966 Tietje et al.
3719087 March 1973 Thiers
3786683 January 1974 Berman
3834240 September 1974 Kenney
3945254 March 23, 1976 Rebold
3963061 June 15, 1976 Kenney
4228831 October 21, 1980 Kerns
4257268 March 24, 1981 Pepicelli et al.
Patent History
Patent number: D277314
Type: Grant
Filed: Sep 30, 1982
Date of Patent: Jan 22, 1985
Assignee: Manostat Corporation (New York, NY)
Inventors: Michael A. Alvarez (Haskell, NJ), George Fried (Tarrytown, NY), George Payne (Bedford Hills, NY)
Primary Examiner: Catherine E. Kemper
Law Firm: Abelman, Frayne, Rezac & Schwab
Application Number: 6/430,115
Classifications
Current U.S. Class: D24/55