Volumetric dispensing pipette

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Description

FIG. 1 is a perspective view of a volumetric dispensing pipette showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an end elevational view thereof, as viewed from the top of FIG. 2;

FIG. 6 is an end elevational view thereof as viewed from the bottom of FIG. 2.

Referenced Cited
U.S. Patent Documents
RE31555 April 17, 1984 Garren et al.
D257791 January 6, 1981 Parker
D260434 August 25, 1981 St. Amand
D299956 February 21, 1989 Saint-Amand
4212204 July 15, 1980 St. Amand
4563104 January 7, 1986 Saint-Amand
Patent History
Patent number: D303152
Type: Grant
Filed: Jul 24, 1987
Date of Patent: Aug 29, 1989
Assignee: Saint-Amand Manufacturing Co. (San Fernando, CA)
Inventor: Elmer Saint-Amand (San Fernando, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Attorney: James E. Brunton
Application Number: 7/77,326
Classifications
Current U.S. Class: D24/55