Title:
Scaffold stair unit
Document Type and Number:
United States Patent 2760707

Inventors:
Anderson, Arvid A.
Publication Date:
08/28/1956
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Referenced by:
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Assignee:
SAFWAY STEEL PRODUCTS INC
Primary Class:
182/115
International Classes:
E04G5/10; E04G7/30; E06C1/36; E04G7/00; E06C1/00
US Patent References:
0298212
0427378
0501694
0720891
0840636
0909876
1051428
1141919
1836453Ship gangway
1881959Coupling for relatively movable members
1944159Stair construction
2125829Scaffold ladder
2208796Locking device for food chopper bowls
2308831Structural member
2438173Portable and collapsible scaffolding unit
2488461Lift truck
Foreign References:
AT26527B




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