Measuring – testing – or signalling instruments – Security or signal instrument or casing – Visual
Design Patent
2007-06-29
2008-12-23
Spear, Robert M. (Department: 2913)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Visual
Design Patent
active
D0583269
CLAIM:
The ornamental design for the cautionary road sign, as shown and described.
REFERENCES:
patent: 4796369 (1989-01-01), Hamann
patent: D328615 (1992-08-01), Taylor
patent: D371807 (1996-07-01), Mandell et al.
patent: D395334 (1998-06-01), Eberle et al.
patent: D405708 (1999-02-01), Liu
patent: D474900 (2003-05-01), Underbrink
patent: 7057530 (2006-06-01), Young
Denk Paul M.
Kirschbaum George D
Spear Robert M.
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