Title:
Telescopic tower
United States Patent 2676677


Inventors:
Anderson, Arvid A.
Hauck, Robert M.
Application Number:
US15028250A
Publication Date:
04/27/1954
Filing Date:
03/17/1950
Assignee:
SAFEWAY STEEL PRODUCTS INC
Primary Class:
Other Classes:
52/115, 52/121, 182/69.4, 182/101, 182/113, 182/148, 254/93R, 254/386
International Classes:
E04H12/18
View Patent Images:
US Patent References:
2384279Extension pole1945-09-04
2204671Extensible work tower1940-06-18
2196511Tower wagon1940-04-09
2183679Portable hydraulic hoist or movable scaffold1939-12-19
1947647Extensible platform1934-02-20
1917011Telescoping stage1933-07-04
1735992Ladder1929-11-19
1609437Shock-absorbing and noise-eliminating device1926-12-07
1337487Tower-wagon1920-04-20
1188760N/A1916-06-27
0870998N/A1907-11-12
0557501N/A1896-03-31
0394224N/A1888-12-11
0381672N/A1888-04-24