Counting device

Details Counting device Counting device

2007-12-25

2007-12-25

Zarfas, Louis (Department: 2914)

Office supplies; artists and teachers materials

Teaching material

Demonstrator or exhibitor

Design Patent

active

29264395

CLAIM:
The ornamental design for a counting device, as shown.

REFERENCES:
patent: 232482 (1880-09-01), Fitch
patent: 447454 (1891-03-01), Vilasca
patent: 1028227 (1912-06-01), Kruger
patent: 1099009 (1914-06-01), Bennett
patent: 2655737 (1953-10-01), Don Dero
patent: D248332 (1978-06-01), Bailey et al.
patent: 4884973 (1989-12-01), Pak
patent: 5725380 (1998-03-01), Kennelly
patent: D399522 (1998-10-01), Nye et al.
patent: D529551 (2006-10-01), Rule
patent: D534960 (2007-01-01), Rule

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