Emergency exit sign

Details Emergency exit sign Emergency exit sign

2007-07-03

2007-07-03

Spear, Robert M. (Department: 2913)

Sales and advertising equipment

Signs or display forms

CD20S042000

Design Patent

active

29267877

CLAIM:
The ornamental design for an emergency exit sign, as shown and described.

REFERENCES:
patent: 1809243 (1931-06-01), Kirk
patent: 4169327 (1979-10-01), Stilling
patent: 4217714 (1980-08-01), Ramsay
patent: D314983 (1991-02-01), Cangianni et al.
patent: D391992 (1998-03-01), Vosika et al.
patent: 5729924 (1998-03-01), Reading
patent: D504705 (2005-05-01), Gregory et al.
patent: D524461 (2006-07-01), Molenaar et al.

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