2008-04-22
2008-04-22
Snapp, Sandra (Department: 2915)
Design Patent
active
D0566977
CLAIM:
The ornamental design for the step stool, as shown and described.
REFERENCES:
patent: D184390 (1959-02-01), Cramer
patent: D197842 (1964-03-01), Keller
patent: D216508 (1970-01-01), Dottinger
patent: 3559761 (1971-02-01), Wehner
patent: 3599750 (1971-08-01), Serwer
patent: D244494 (1977-05-01), Dottinger
patent: D262419 (1981-12-01), Cramer
patent: D524069 (2006-07-01), Lim
Cramer Inc.
Schwegman Lundberg & Woessner, P.A.
Snapp Sandra
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