Extension for a tubular chair leg
United States Patent 2722970
US Patent References:
/0241728.html
- - 0241728

/0942490.html
- - 0942490

/1039759.html
- - 1039759

/1520589.html
- - 1520589

Power transmission means
- - 2329601


Inventors:
Stechmann, Herman H.
Publication Date:
11/08/1955
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Assignee:
William, Uphoff C.
Primary Class:
248/188.200
Other Classes:
5/311, 16/DIG.039, 403/107, 248/408
International Classes:
A47B91/02; A47B91/00
US Patent References:
2378852Adjustable table and like furniture
2546871Chair having vertically adjustable footrest
Foreign References:
FR367559A
DE570620C