Heatable block for laboratory samples

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Description

FIG. 1 is a perspective view of the heatable block for laboratory samples;

FIG. 2 is a top plan view of the heatable block for laboratory samples;

FIG. 3 is an end elevational view of one end thereof, the other end being identical;

FIG. 4 is a side elevational view of one side thereof, the other side being identical; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D206876 February 1967 Newman
D229048 November 1973 Newman
2932718 April 1960 Marsters
3737627 June 1973 Willard et al.
4287408 September 1, 1981 Wilson
Other references
  • VWR Scientific Catalog "Heater Blocks" items lower left corner p. 891 .COPYRGT.1989 Ex Room.
Patent History
Patent number: D343457
Type: Grant
Filed: Feb 19, 1991
Date of Patent: Jan 18, 1994
Assignee: Lab-Line Instruments, Inc. (Melrose Park, IL)
Inventors: Lawrence W. Stalec (Elk Grove Village, IL), Bruce M. Morical (Santa Ana, CA), Sandra L. Finley (Chicago, IL)
Primary Examiner: A. Hugo Word
Assistant Examiner: I. Simmons
Law Firm: Emrich & Dithmar
Application Number: 7/656,640