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US3208094A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid spreading device

Assignee: Individual
•
Filing: 1964-01-10
•
Granted: 1965-09-28
•
Expires: 1984-01-10
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Abstract

No abstract record available.

Inventors

  • 👤 Frank L Pilkington

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 03:03
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/26; A47L11/4063; A47L11/4066; A47L11/408; A47L11/4088

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 211 words
A LIQUID CLEANING SOLUTION SPREADING DEVICE, COMPRISING: A MOVABLE CARRIAGE MEANS HAVINGA BIFURCATED YOKE STRUCTURE WITH YOKE MEMBERS FORMED TO PROVIDE HANDLES; A PAIR OF BEARING SUPPORTED WHEELS CARRIED ON AXLES COUPLED TO THE ENDS OF SAID YOKE MEMBERS; A PLATFORM MEANS COUPLED BETWEEN SAID YOKE MEMBER ENDS AND CARRIED THEREBY; A CONTAINER CARRIED BY SAID PLATFORM FOR STORING SAID LIQUID CLEANING SOLUTION AND HAVING AN OUTLET IN THE BOTTOM OF SAID CONTAINER FOR RELEASING SAID CLEANING SOLUTION; VALVE MEANS COUPLED THROUGH A FLEXIBLE HOSE TO SAID CONTINER OUTLET; ELONGATED, PERFORATED CONDUIT MEANS COUPLED TO SAID VALVE MEANS FOR RELEASING SAID CLEANING SOLUTION THROUGH SAID PERFORATIONS; ROTARY FORCE PUMP MEANS COUPLED BETWEEN SAID VALVE MEANS AND SAID FLEXIBLE HOSE TO SAID CONTAINER OUTLET; DRIVE MEANS COUPLING ONE SAID WHEEL AND SAID PUMP MEANS FOR DRIVING SAID PUMP WHEN SAID DEVICE IS IN MOTION, SAID PUMP OPERATING TO MAINTAIN FLUID PRESSURE RELATIVELY CONSTANT THROUGH SAID ELONGATED, PERFORATED CONDUIT AFTER THE FLUID LEVEL IN SAID CONTAINER DROPS TO A POINT BELOW WHICH THE FORCE OF GRAVITY OVERCOMES THE ACTION OF SAID PUMP; AND A RETRACTABLE BRUSH-LIKE SPREADER MEANS PIVOTALLY COUPLED TO SAID CARRIAGE MEANS AND SAID CONDUIT WHEREBY SAID LIQUID SOLUTION IS CONDUCTED FROM SAID CONDUIT THROUGH SAID BRUSH-LIKE SPREADER ONTO A SURFACE.
Claim 2
Dependent Claim 211 words
A LIQUID CLEANING SOLUTION SPREADING DEVICE, COMPRISING: A MOVABLE CARRIAGE MEANS HAVINGA BIFURCATED YOKE STRUCTURE WITH YOKE MEMBERS FORMED TO PROVIDE HANDLES; A PAIR OF BEARING SUPPORTED WHEELS CARRIED ON AXLES COUPLED TO THE ENDS OF SAID YOKE MEMBERS; A PLATFORM MEANS COUPLED BETWEEN SAID YOKE MEMBER ENDS AND CARRIED THEREBY; A CONTAINER CARRIED BY SAID PLATFORM FOR STORING SAID LIQUID CLEANING SOLUTION AND HAVING AN OUTLET IN THE BOTTOM OF SAID CONTAINER FOR RELEASING SAID CLEANING SOLUTION; VALVE MEANS COUPLED THROUGH A FLEXIBLE HOSE TO SAID CONTINER OUTLET; ELONGATED, PERFORATED CONDUIT MEANS COUPLED TO SAID VALVE MEANS FOR RELEASING SAID CLEANING SOLUTION THROUGH SAID PERFORATIONS; ROTARY FORCE PUMP MEANS COUPLED BETWEEN SAID VALVE MEANS AND SAID FLEXIBLE HOSE TO SAID CONTAINER OUTLET; DRIVE MEANS COUPLING ONE SAID WHEEL AND SAID PUMP MEANS FOR DRIVING SAID PUMP WHEN SAID DEVICE IS IN MOTION, SAID PUMP OPERATING TO MAINTAIN FLUID PRESSURE RELATIVELY CONSTANT THROUGH SAID ELONGATED, PERFORATED CONDUIT AFTER THE FLUID LEVEL IN SAID CONTAINER DROPS TO A POINT BELOW WHICH THE FORCE OF GRAVITY OVERCOMES THE ACTION OF SAID PUMP; AND A RETRACTABLE BRUSH-LIKE SPREADER MEANS PIVOTALLY COUPLED TO SAID CARRIAGE MEANS AND SAID CONDUIT WHEREBY SAID LIQUID SOLUTION IS CONDUCTED FROM SAID CONDUIT THROUGH SAID BRUSH-LIKE SPREADER ONTO A SURFACE.

References Cited (Backward Citations)

US1548383A Cited
GB427049A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-27 1969-03-29 1969-09-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-27 1973-03-29 1973-09-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-27 1977-03-29 1977-09-28 $7700.00 Window Closed / Lapsed

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