Writing aid

Details Writing aid Writing aid

1999-12-13

2001-06-12

Holtje, Martie K. (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

CD19S036000

Design Patent

active

D0443648

CLAIM:
The ornamental design for a writing aid, as shown and described.

REFERENCES:
patent: D. 174821 (1955-05-01), Laudani
patent: D. 206684 (1967-01-01), Bevilacqua
patent: 1482647 (1924-02-01), Gise
patent: 1603044 (1926-10-01), Gise
patent: 1840563 (1932-01-01), Brosius, Jr.
patent: 2165625 (1939-07-01), Fessel
patent: 2793617 (1957-05-01), Palmer
patent: 3627182 (1971-12-01), Calkins

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