Title:
Protective sock with tubular marginal air enclosure having valve means
United States Patent 2582648
US Patent References:
/0638735.html
- - 0638735

/0850603.html
- - 0850603

Boot
- - 1954122

Rubber shoe
- - 1959382

Surgical foot covering
- - 1980486


Inventors:
Thomas, Mowbray Douglas
Publication Date:
01/15/1952
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Assignee:
Thomas, Mowbray Douglas
Primary Class:
36/8.100
Other Classes:
623/66.100, 36/4, 2/83, 2/22, 2/DIG.003, 2/901, 450/81, 2/67, 128/846, 128/DIG.020, 2/239, 128/893, 602/27, D02/980, 251/331
International Classes:
A61F13/04; A61F13/06; A61H37/00
US Patent References:
2237835Method of making footwear