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with driven dust-loosening tools
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Industry
CPC
A47L5/05
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Parent Industries
A
HUMAN NECESSITIES
A47
Furniture
A47L
DOMESTIC WASHING OR CLEANING SUCTION CLEANERS IN GENERAL
A47L5/00
Structural features of suction cleaners
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A47L5/05
with driven dust-loosening tools
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Patents Grants
last 30 patents
Information
Patent Grant
1384998
Patent number
1,384,998
Issue date
Jul 19, 1921
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
1339280
Patent number
1,339,280
Issue date
May 4, 1920
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
1332432
Patent number
1,332,432
Issue date
Mar 2, 1920
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...