Calculator with port and cover

Details Calculator with port and cover Calculator with port and cover

2007-07-24

2007-07-24

Spear, Robert M. (Department: 2913)

Printing and office machinery

Typewriter or calculator

Calculator

Design Patent

active

29239688

CLAIM:
The ornamental design for a calculator with port and cover, as shown and described.

REFERENCES:
patent: D226196 (1973-01-01), Liljenwall
patent: D226197 (1973-01-01), Liljenwall
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patent: 5241488 (1993-08-01), Chadima et al.
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patent: 5530234 (1996-06-01), Loh et al.
patent: D383773 (1997-09-01), Tamaki et al.
patent: D394449 (1998-05-01), Shimizu
patent: D412523 (1999-08-01), Matsuda et al.
patent: D416280 (1999-11-01), Matsuda et al.
patent: 7042713 (2006-05-01), Nicolosi
patent: 2003/0140073 (2003-07-01), Worstrel

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