USD175680S - Thumb tack - Google Patents

Thumb tack Download PDF

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Publication number
USD175680S
USD175680S US D175680 S USD175680 S US D175680S
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US
United States
Prior art keywords
thumb tack
tack
thumb
view
same
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Inventor
Robert B. Glasgow
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Patented Sept. 27, 1955 THUMB TACK Robert B. Glasgow, Petaluma, Calif.
Application June 20, 1955, Serial No. 36,580
Term of patent 7 years (Cl. D549) E 1. 1 6 5. Ef
Fig. 1 is a top plan view of a thumb tack embodying References Cited in the file of this patent y new e UNITED STATES PATIENTS Fig. 2 is an end view of the same;
Fig. 3 is a side view of the same; 14810 Nestor 1920 106,501 Patterson Aug. 16, 1870 Flg. 4 1s a bottom view of the same, and 1 120 656 Hunt Dec 8 1914 f f a perspecnve vlew' 1,392,950 Lawrence Oct. 11, 1921 The ornamental design for a thumb tack, ubstantially 1991'561 Krantz 1935 as shown.

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