USD195622S - Test tube rack - Google Patents

Test tube rack Download PDF

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Publication number
USD195622S
USD195622S US D195622 S USD195622 S US D195622S
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US
United States
Prior art keywords
test tube
tube rack
rack
item
test
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Inventor
John V. Wing
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United States Patent 0 "ice Des-195,622
Patented July 9, 1963 Ea; ewe we (Q Q Q (9 e e FIGURE 1 is a top view of the test tube rack. References Cited in the file of this patent FIGURE 2 is a front elevation of the test tube rack. St H T 1 C C N n 23 213 item 268, FIGURE 3 is an end view of the test tube rack. dun 2 0o 0 a o p FIGURE 4 1s a sectmal taken 11m Sargent Scientific Equipment Cat. No. 100, 1953, FIGURE p. 1070, left center of page, item No. S-7908S, test tube I claim: Tack The ornamental design for a test tube rack, as shown.

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