Deck and lift structure for scaffolding and the like
United States Patent 3221838
US Patent References:
Extensible plank
- - 1774268

Collapsible derrick
- - 2114215

Extensible plank or the like
- - 2447865

Metal scaffold plank
- - 2485165

Method for erecting elevated structures
- - 2720694


Inventors:
Brayton, Alton M.
Publication Date:
12/07/1965
View Patent Images:
Download PDF 3221838 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Brayton, Alton M.
Primary Class:
182/141
Other Classes:
254/105, 182/186.600
International Classes:
E04G1/22; E04G1/18
US Patent References:
2841961Off-shore drilling barge
2857026Device for erecting elevator towers
2906365Automatic scaffolding machine
Foreign References:
FR1102173A
GB536347A