Sleep surface

Details Sleep surface Sleep surface

1999-09-14

2001-02-06

Seeger, Janice E. (Department: 2913)

Design Patent

active

D0437143

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

REFERENCES:
patent: D. 168581 (1953-01-01), McInerney et al.
patent: 2582565 (1952-01-01), Schnippel et al.
patent: 3305877 (1967-02-01), Nielsen
patent: 5544375 (1996-08-01), Urness et al.
patent: 5926877 (1999-07-01), Lin

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