Traffic control umbrella

Details Traffic control umbrella Traffic control umbrella

2001-02-08

2003-03-25

Spear, Robert M. (Department: 2913)

Sales and advertising equipment

Signs or display forms

Combined with diverse article or function

Design Patent

active

D0472273

CLAIM:
The ornamental design for a traffic control umbrella, as shown and described.

REFERENCES:
patent: 1517439 (1924-12-01), Like
patent: D106229 (1937-09-01), Broussard et al.
patent: 3121416 (1964-02-01), Gizdich
patent: D243640 (1977-03-01), Casparro
patent: 4459787 (1984-07-01), Wilcox
patent: 4601120 (1986-07-01), Levin
patent: 5054219 (1991-10-01), Hoyt et al.
patent: D330686 (1992-11-01), Campagna
patent: 5422638 (1995-06-01), Singer et al.
patent: 5755051 (1998-05-01), Zumbuhl
patent: 6035567 (2000-03-01), Cameron
patent: D423391 (2000-04-01), Hansen
patent: 6204777 (2001-03-01), Lyons
patent: 6266903 (2001-07-01), Collins

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