Lightweight portable vacuum cleaner
United States Patent 3334370
US Patent References:
Vacuum cleaner
- - 2182343

Pavement
- - 2309593

Vacuum cleaner
- - 2422860

Tank type suction cleaner
- - 2503918

Suction cleaner and filter therefor
- - 2776726


Inventors:
Boyd, Wilton E.
Publication Date:
08/08/1967
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Assignee:
GEN ELECTRIC
Primary Class:
15/327.200
Other Classes:
15/344, 15/330, 15/326
International Classes:
A47L5/24; A47L5/22
US Patent References:
2789661Pneumatic filter seal
2915237Centrifugal blowers
2986765
3193992Upright vacuum cleaner
Foreign References:
FR1299817A
FR1366989A
GB257490A