Sterilization indicator


FIG. 1 is a front view of the sterilization indicator;

FIG. 2 is a side view thereof; and

FIG. 3 is a cross-section taken on line 3--3 of FIG. 1, the undisclosed rear side is flat and plain.

Referenced Cited
U.S. Patent Documents
D222516 October 1971 Kelson
D227942 July 1973 Kelson
D235279 June 1975 Schuman et al.
D242656 December 7, 1976 Kelson
D250997 February 6, 1979 Schuberth
3999946 December 28, 1976 Patel et al.
4092119 May 30, 1978 Baier et al.
Patent History
Patent number: D253492
Type: Grant
Filed: Apr 28, 1978
Date of Patent: Nov 20, 1979
Assignee: Propper Manufacturing Co., Inc. (Long Island City, NY)
Inventor: Thomas A. Augurt (Stamford, CT)
Primary Examiner: Bernard Ansher
Attorney: Morton Amster
Application Number: 5/901,267
Current U.S. Class: D24/99; Thermometer (D10/57)
International Classification: D2499; D1004;