Educational walking track

Details Educational walking track Educational walking track

2005-05-17

2005-05-17

Holtje, Nelson C. (Department: 2913)

Office supplies; artists and teachers materials

Teaching material

Sensory feedback, e.g., audio-visual teaching machine

Design Patent

active

D0505159

CLAIM:
We claim the ornamental design for an educational walking track, as shown and described.

REFERENCES:
patent: 1916809 (1933-07-01), Patterson
patent: 2929627 (1960-03-01), Scanlon
patent: 2956806 (1960-10-01), Routson
patent: 3206122 (1965-09-01), Frisbie et al.
patent: 3339920 (1967-09-01), Moritz
patent: 3545747 (1970-12-01), Thomas
patent: D238388 (1976-01-01), Monroe
patent: 3944654 (1976-03-01), Moore
patent: 5211366 (1993-05-01), Cummings
patent: 5440996 (1995-08-01), Cottino
patent: 5554074 (1996-09-01), Von Parrish
patent: 20030047420 (2003-03-01), Snell et al.
patent: 20040009845 (2004-01-01), Johnson

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