Thermal indicator for vacuum sterilizer test packs
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Description
FIG. 1 is a top plan view of a thermal indicator for vacuum sterilizer test packs showing my new design;
FIG. 2 is a typical side elevational view thereof;
FIG. 3 is an enlarged cross-sectional view thereof as taken from line 3--3 of FIG. 1;
FIG. 4 is a top plan view thereof after exposure in a vacuum sterilizer;
FIG. 5 is another embodiment of my new design of FIGS. 1-4.
Referenced Cited
Patent History
Patent number: D300305
Type: Grant
Filed: Jun 16, 1986
Date of Patent: Mar 21, 1989
Assignee: Castle Company (Rochester, NY)
Inventor: John R. Scoville, Jr. (Henrietta, NY)
Primary Examiner: Nelson C. Holtje
Law Firm: Trask, Britt & Rossa
Application Number: 6/875,354
Type: Grant
Filed: Jun 16, 1986
Date of Patent: Mar 21, 1989
Assignee: Castle Company (Rochester, NY)
Inventor: John R. Scoville, Jr. (Henrietta, NY)
Primary Examiner: Nelson C. Holtje
Law Firm: Trask, Britt & Rossa
Application Number: 6/875,354
Classifications
Current U.S. Class:
Thermometer (D10/57);
D24/99