Carpet square teaching aid

Details Carpet square teaching aid Carpet square teaching aid

2007-11-27

2007-11-27

Delehanty, Robert A. (Department: 2914)

Office supplies; artists and teachers materials

Teaching material

Design Patent

active

29271669

CLAIM:
I claim the ornamental design for a carpet square teaching aid, as shown and described.

REFERENCES:
patent: D316119 (1991-04-01), McDermott et al.
patent: D429304 (2000-08-01), Browne, Jr.
patent: D435186 (2000-12-01), Fulkerson
patent: D492532 (2004-07-01), Ellis
patent: D505705 (2005-05-01), Moriarity
patent: D518136 (2006-03-01), Myslinski

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