Printing and office machinery – Typewriter or calculator – Calculator
Design Patent
2008-01-15
2008-01-15
Spear, Robert M. (Department: 2913)
Printing and office machinery
Typewriter or calculator
Calculator
Design Patent
active
D0559891
CLAIM:
The ornamental design for a calculator, as shown and described.
REFERENCES:
patent: D362266 (1995-09-01), Matsuda
patent: D490421 (2004-05-01), Everett et al.
patent: D493787 (2004-08-01), Avery
patent: D501867 (2005-02-01), Joachim et al.
patent: D502208 (2005-02-01), Joachim et al.
patent: D530734 (2006-10-01), Greenspon
D'Angelo David Gerard
Hester William D.
Kent Michael
Rademaker Garth
Spear Robert M.
Staples The Office Superstore LLC
Wolf Greenfield & Sacks P.C.
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