Title:
Emergency warning sign
United States Patent 2881662


Inventors:
Harris, Edward C.
Application Number:
US61000856A
Publication Date:
04/14/1959
Filing Date:
09/14/1956
Assignee:
Harris, Edward C.
Primary Class:
Other Classes:
40/124.15, 40/539, 40/612, 116/63P, 206/803, 229/87.01, 229/92.8, 248/910, 428/12
International Classes:
B60Q7/00
View Patent Images:
US Patent References:
2702955Emergency warning sign1955-03-01
2630641Combined easel and scroll sign1953-03-10
2443234Foldable picture frame1948-06-15
2090157Road sign1937-08-17
1629670N/A1927-05-24
1411022Advertising device1922-03-28
0666941N/A1901-01-29
Foreign References:
AU141677B