Portable writing surface

Details Portable writing surface Portable writing surface

2000-06-09

2002-04-02

Coles, Doris V. (Department: 2913)

Design Patent

active

D0455024

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

REFERENCES:
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patent: 1851600 (1932-03-01), Stanley
patent: 3061390 (1962-10-01), Walsh et al.
patent: 4512607 (1985-04-01), Rapp
patent: D349731 (1994-08-01), Leveen et al.
patent: 5437493 (1995-08-01), Weisleder
patent: D413209 (1999-08-01), Jarke
patent: D431019 (2000-09-01), Richter
patent: 6126236 (2000-10-01), Wu
patent: D442795 (2001-05-01), Holt
Advertisement for the Levenger Lap Desk®. Levenger Company catalog, Holiday 1999, p. 50.

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