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US3570040A Expired / Lapsed US ⏱️ 0.0 years remaining

Floor and ground cleaner

Assignee: Fuji Denki Kaden KK
•
Filing: 1969-03-07
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Granted: 1971-03-16
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Expires: 1989-03-07
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Abstract

Abstract A NOVEL AND VERSATILE CLEANER IS COMPOSED OF A CLEANER BODY MOVABLY SUPPORTED ON WHEELS, A ROTATING BRUSH ENCLOSED IN A HOUSING AT THE LOWER PORTION OF THE CLEANER BODY AND ALLOWED TO CONTACT WITH THE FLOOR SURFACE AT LEAST WHILE THE CLEANER IS OPERATED, A DUST BOX DETACHABLY MOUNTED IN THE CLEANER BODY FOR RECEIVING DUST STIRRED UP FROM THE FLOOR BY THE BRUSH OPERATION, AN AIR PASSAGE EXTENDING FROM THE BRUSH PORTION OR THE DUST BOX TO THE OUTSIDE OF THE CLEANER BODY, AN ELECTRIC PRECIPITATOR, OR, AN ELECTROSTATIC DUST COLLECTING UNIT, DETACHABLY MOUNTED IN THE AIR PASSAGE, AN AIR BLOWER TO INTRODUCE AIR THROUGH SAID AIR PASSAGE, AN ELECTRIC MOTOR FOR DRIVING THE ROTATING BRUSH AND THE BLOWER, A HIGH VOLTAGE POWER SOURCE FOR SUPPLYING A HIGH VOLTAGE TO THE ELECTRIC PRECIPITATOR, AND AN ELECTRIC POWER SOURCE FOR SUPPLYING POWER TO THE HIGH VOLTAGE SOURCE AND TO THE ELECTRIC MOTOR.

Inventors

  • 👤 Kiyomi Wada

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:48
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4041; A47L11/02; A47L11/20; A47L11/24; A47L11/4002; A47L11/4008; A47L11/4027; A47L11/4038; B; B03; B03C; B03C3/00; B03C3/017; B03C3/02; B03C3/04; B03C3/06; B03C3/08; B03C3/34; B03C3/40; B03C3/41; B03C3/45; B03C3/47; B03C3/49; B03C3/74; B03C3/78; E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0854; B03C2201/00; B03C2201/04; B03C2201/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-03-15 1974-09-14 1975-03-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-15 1978-09-14 1979-03-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-15 1982-09-14 1983-03-16 $7700.00 Window Closed / Lapsed

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