USD217911S - Abacus - Google Patents

Abacus Download PDF

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Publication number
USD217911S
USD217911S US D217911 S USD217911 S US D217911S
Authority
US
United States
Prior art keywords
abacus
germany
perspective
view
taken
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Inventor
Willy Heroltl
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Des. 217,91 1
Patented June 30, 1970 United States Patent 0 "ice ABACUS Willy Herold, 4 Birnauerstrasse,
8 Munich 13, Germany Filed Feb. 24, 1969, Ser. No. 15,877
Term of patent 14 years Claims priority, application Germany Aug. 21, 1968 Int. Cl. D1908 US. Cl. D25-1 d eA S Tm m wt CT n s msnobus 66 T999 1111 N/// 700 U 11 464 450 57. 4 3311 305 33 FIG. 1 is a perspective view of an abacus embodying my new design taken from the front and top; and
FIG. 2 is a perspective view of the abacus of FIG. 1 taken from the rear and bottom.
I claim:
The ornamental design for an abacus, as shown.
FOREIGN PATENTS Germany.
MELVIN B. FEIFER, Primary Examiner

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