Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUSD225525 S
Publication typeGrant
Publication dateDec 19, 1972
Filing dateDec 21, 1970
Publication numberUS D225525 S, US D225525S, US-S-D225525, USD225525 S, USD225525S
InventorsStanley R. Johnson
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Biological testing device
US D225525 S
Images(2)
Previous page
Next page
Description  (OCR text may contain errors)

United States Patent 0 ICC 22 ,525

Patented Dec. 19, 1972 BIOLOGICAL TESTING DEVICE Stanley R. Johnson, Fountain Valley, and Arthur P.

Stewart, Irvine, Calif., assignors to Baxter Laboratories, Inc., Morton Grove, Ill.

Filed Dec. 21, 1970, Ser. No. 26,609

Term of patent 14 years Int. Cl. D24-02 US. Cl. D16-1 n 1| IIIIIIIIIIIIIIIIIIIIIIIIIIIII Dec 225,525

PAGE 2 it H'L We claim: The ornamental design for a biological testing device, as shown and described.

References Cited UNITED STATES PATENTS D. 202,700 11/1965 Cooke et al. D16-1 2,561,339 7/1951 Chediak 23-253 3,227,522 1/ 1966 Salisbury, Jr. eta]. 23-253 3,245,882 4/1966 Guthrie 195-1035 3,477,821 11/1969 Hamilton 23-253 3,554,704 1/1971 Ushakofi 23-253 BERNARD ANSHER, Primary Examiner