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Patent
   D305213
Priority
Feb 05 1987
Filed
Feb 05 1987
Issued
Dec 26 1989
Expiry
Dec 26 2003
Inventors
Hughes, Th…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
8
References
3
Maint.:
n/a
The ornamental design for a road hazard warning sign, as shown.

FIG. 1 is a front elevational view of a road hazard warning sign showing my new design, the undisclosed rear being the same in appearance; and

FIG. 2 is a side elevational view thereof.
INVENTORS:

Hughes, Thomas E.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D388724, Jan 06 1997 Creative Innovations, Inc. Road marker
D429472, Mar 22 1999 Mannequin for promoting safety awareness
D466825, Feb 12 2001 The Step2 Company, LLC Caution device
D516629, Feb 07 2005 Sports mannequin
D546391, Sep 29 2006 Emergency training aid device
D754014, Mar 04 2015 School bus stop sign
ER2,
ER2827,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2002248,
3946699, Dec 06 1974 Lawrence Peska Associates, Inc. Automatic flag storage and display device
220013,
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