Title:
STEPLADDER SCAFFOLD APPARATUS WITH ELEVATING WORKING PLATFORM
United States Patent 3490558


Inventors:
Foley, James M.
Application Number:
US3490558DA
Publication Date:
01/20/1970
Filing Date:
05/22/1968
Assignee:
James, Foley M.
Primary Class:
Other Classes:
182/127, 182/129
International Classes:
E04G1/30; E06C7/16; E06C7/18; (IPC1-7): E06C7/16
View Patent Images:
US Patent References:
3344885Personnel lift1967-10-03
3208555Hoisting attachment for a ladder1965-09-28
3207261Scaffold1965-09-21
3176794Mobile elevating apparatus1965-04-06
3139154Safety guard attachments for ladders1964-06-30
3128842N/A1964-04-14
2978062Variable height scaffold assembly1961-04-04
2798652Mobile ladders and platforms1957-07-09
2237543Adjustable extension scaffold trestle with guard rail1941-04-08
1384694Wheeled ladder1921-07-12
1269463N/A1918-06-11
0976240N/A1910-11-22
0107225N/A1870-09-13
Foreign References:
IT621777B