Title:
METHOD AND APPARATUS FOR VACUUM CLEANING
Document Type and Number:
United States Patent 3464859

Inventors:
Hamrick, James C.
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Sponsored by:
Flash of Genius
Publication Date:
09/02/1969
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Referenced by:
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Assignee:
J L PRODUCTS INC
Primary Class:
134/21
Other Classes:
134/37, 137/355.230, 55/DIG.008, 55/361, 15/315, 137/355.160
International Classes:
A47L5/38; F16L3/01; A47L5/22; B08B5/04
US Patent References:
1597312Combined house heating and vacuum cleaning system
2623234Suction or fluid pressure gutter cleaning apparatus, including a fluid reversing valve
3278949Swimming pool cleaning apparatus
3353996Suction cleaning system and method


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