Lab mixer with adjustable shaft

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front perspective view of a lab mixer with adjustable shaft showing our new design;

FIG. 2 is a front elevational view of the mixer;

FIG. 3 is a leftside elevational view of the mixer;

FIG. 4 is a top plan view of the mixer;

FIG. 5 is a rear elevational view of the mixer; and

FIG. 6 is a bottom plan view of the mixer.

Referenced Cited
U.S. Patent Documents
2250142 July 1941 Umstead
2833576 May 1958 Cirone
4193702 March 18, 1980 Davis
4396291 August 2, 1983 Simmonds
Other references
  • Fisher Scientific 1983, .COPYRGT.1982, Fisher Motorized Stirrers, p. 114.
Patent History
Patent number: D290395
Type: Grant
Filed: Oct 12, 1984
Date of Patent: Jun 16, 1987
Assignee: General Signal Corporation (Stamford, CT)
Inventors: Philip H. Stevens (Skaneateles, NY), Charles F. T. Merritt (Skaneateles, NY)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Attorneys: Jeffrey S. Mednick, Harold Huberfeld
Application Number: 6/660,210
Classifications
Current U.S. Class: D24/8