Traveling cleaning apparatus
United States Patent 3055038
US Patent References:
Vacuum cleaner
- - 2184732

Air filter
- - 2795291

Air filter
- - 2823656

Air cleaner
- - 2976558

Vacuum cleaner for textile machines
- - 3001222


Inventors:
Black Jr., Robert L.
Publication Date:
09/25/1962
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Assignee:
PARKS CRAMER CO
Primary Class:
15/312.200
Other Classes:
55/303, 15/352, 55/294
International Classes:
A47L7/00; D01H11/00; D03J1/00; F16L41/18; F16L41/00
US Patent References:
3003178Vacuum apparatus for handling lint
3011204Mobile reversing apparatus for a traveling cleaner
Foreign References:
GB511455A
FR1178163A
FR1226751A