US D222516 S
Description (OCR text may contain errors)
Patented Oct. 26, 1971 STERILIZATION INDICATOR Arthur W. Kelson, New York, N.Y., assignor to Propper Manufacturing Co., Inc., Long Island City, N.Y.
Filed Aug. 31, 1970, Ser. No. 24,768
Term of patent 14 years Int. Cl. D2499 US. Cl. D83-1 F/ 6. F/G. 2
21 is a gout vietvls; of 1:16 sterilization indicator; References Cited 1s asi eview ereo ;an I FIG. 3 is a cross-section taken on line 3-3 of FIG. 1, UNITED STATES PATENTS the undisclosed rear side is fiat and plane. 195,749 7/ 1963 Anderson 1372-1 I claim: 2,937,279 5/1960 Artandi et a1 252408 X The ornamental design for a sterilization indicator, as 3,317,283 5/ 1967 KinghQwn and described. 'MOI'IDSOH X BERNARD ANSHER, Primary Examiner