Chord wheel

Details Chord wheel Chord wheel

2007-01-16

2007-01-16

Zarfas, Louis (Department: 2914)

Office supplies; artists and teachers materials

Teaching material

Demonstrator or exhibitor

Design Patent

active

29263197

CLAIM:
The ornamental design for a chord wheel, as shown and described.

REFERENCES:
patent: 3472117 (1969-10-01), Iverson, Jr. et al
patent: 3960046 (1976-06-01), Choong
patent: 4711632 (1987-12-01), Detrick
patent: D312274 (1990-11-01), Johnson
patent: 5173566 (1992-12-01), Hiraoka
patent: D334765 (1993-04-01), Dunn et al.
patent: 5288234 (1994-02-01), Hamzi
patent: 5709552 (1998-01-01), LeGrange
patent: D392675 (1998-03-01), Perez
patent: 5727949 (1998-03-01), Bar-Or et al.
patent: D394878 (1998-06-01), Perez
patent: D395675 (1998-06-01), Perez
patent: D422635 (2000-04-01), Clark
patent: 6358059 (2002-03-01), Li

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