Sales and advertising equipment – Signs or display forms
Design Patent
2000-05-23
2001-03-06
Jackson, Marcus A. (Department: 2911)
Sales and advertising equipment
Signs or display forms
Design Patent
active
D0438570
CLAIM:
The ornamental design for a portable sign, as shown and described.
REFERENCES:
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patent: D. 384979 (1997-10-01), Greene, Jr.
patent: D. 396252 (1998-07-01), Geier et al.
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patent: 1835218 (1931-12-01), Holmgreen et al.
patent: 3024552 (1962-03-01), MacLea
patent: 5927676 (1999-07-01), Lefton
patent: 2419355 (1979-11-01), None
patent: 2609199 (1988-07-01), None
Greiner Stephen R.
Jackson Marcus A.
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