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US3136718A Expired / Lapsed US ⏱️ 0.0 years remaining

Centrifugal laundry extractors

Assignee: Miller Laundry Machinery Co
•
Filing: 1960-04-27
•
Granted: 1964-06-09
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Expires: 1980-04-27
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Abstract

No abstract record available.

Inventors

  • 👤 Miller Abe
  • 👤 Mack Ernest

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:49
CPC Classifications
D; D06; D06F; D06F49/00; D06F49/003

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 353 words
A LAUNDRY EXTRACTOR FOR COMMERCIAL USE COMPRISING AN OUTER SHELL HAVING PROVISIONS FOR DRAINING WATER THEREFROM, SAID SHELL BEING OPEN AT ONE END AND CLOSED AT THE OTHER END EXCEPT FOR SAID DRAINAGE PROVISIONS, MEANS FLOATINGLY SUPPORTING SAID SHELL WITH SAID OPEN END AT THE TOP AND THE DRAIN PROVISIONS A THE BOTTOM, A PERFORATED LAUNDRY CONTAINER DISPOSED WITHIN SAID SHELL AND HAVING AN UPPER OPEN END THE DIAMETER OF WHICH APPROXIMATES THE DIAMETER FO THE CONTAINER AND THE OPERN END OF SAID SHELL, VERTICALLY SPACED BEARINGS MOUNTED ON THE BOTTOM OF SAID SHELL, A VERTICAL SHAFT JOURNALED IN SAID BEARINGS AND PROJECTING BELOW SAID SHELL AND BEARINGS, A RELATIVELY FLAT ELECTRIC MOTOR REMOVABLE MOUNTED ON THE BOTTOM OF SAID SHELL ON THE UNDERSIDE THEREOF SO AS TO BE REMOVABLE FROM THE UNDERSIDE OF SAID SHELL AND INCLUDING AN ARMATURE ON THE LOWER END OF SAID SHAFTE BELOW SAID BEARINGS, SAID MOTOR BEING CONSTRUCTED SO THAT THE AXIAL LENGTH OF THE STATOR AND ARMATURE ELEMENTS THEREOF IS LESS THAN 50% OF THE OUTSIDE DIAMETER OF THE MOTOR, SAID CONTAINER BEING MOUNTED ON THE UPPER END OF SAID SHAFT WHEREBY IT MAY BE ROTATED WITHIN SAID SHELL FOR CENTRIFUGALLY DISCHARGING WATER FROM LAUNDRY WITHIN SAID CONTAINER, A MOVABLE OUTER COVER ADAPTED TO SEAT ON SAID SHELL FOR CLOSING THE SAME, AN INNER COVER ROTATABLY CARRRIED BY THE OUTER COVER AND ADAPTED TO SEAT ON THE RIM AT THE OPEN END OF SAID CONTAINER SO AS TO ROTATE THEREWITH, WHEN THE OUTER COVER IS MOVED TO SEAT ON SAID SHELL, FOR CLOSING THE OPEN END OF THE CONTAINER, A BRACKET SECURED TO SAID SHELL, MEANS FOR SUPPLYING A FORM OF ELECTRIC CURRENT TO SAID MOTOR DIFFERENT THAN THE FORM OF ELECTRIC CURRENT USED TO ENERGIZE SAID MOTOR TO ROTATE SAID CONTAINER FOR CONVERTING SAID MOTO INTO A BRAKE FOR BRAKING SAID CONTAINER TO A STOP, A MOVABLE ARM CARRIED BY SAID BRACKET, SAID OUTER COVER BEING MOUNTED ON SAID ARM AND BRACKET FOR MOVING SAID OUTER AND INNER COVERS TO OPEN SAID CONTAINER AND ELEVATE SUCH COVERS ABOVE THE OPENINGS IN SAID SHELL AND CONTAINER.
Claim 2
Dependent Claim 353 words
A LAUNDRY EXTRACTOR FOR COMMERCIAL USE COMPRISING AN OUTER SHELL HAVING PROVISIONS FOR DRAINING WATER THEREFROM, SAID SHELL BEING OPEN AT ONE END AND CLOSED AT THE OTHER END EXCEPT FOR SAID DRAINAGE PROVISIONS, MEANS FLOATINGLY SUPPORTING SAID SHELL WITH SAID OPEN END AT THE TOP AND THE DRAIN PROVISIONS A THE BOTTOM, A PERFORATED LAUNDRY CONTAINER DISPOSED WITHIN SAID SHELL AND HAVING AN UPPER OPEN END THE DIAMETER OF WHICH APPROXIMATES THE DIAMETER FO THE CONTAINER AND THE OPERN END OF SAID SHELL, VERTICALLY SPACED BEARINGS MOUNTED ON THE BOTTOM OF SAID SHELL, A VERTICAL SHAFT JOURNALED IN SAID BEARINGS AND PROJECTING BELOW SAID SHELL AND BEARINGS, A RELATIVELY FLAT ELECTRIC MOTOR REMOVABLE MOUNTED ON THE BOTTOM OF SAID SHELL ON THE UNDERSIDE THEREOF SO AS TO BE REMOVABLE FROM THE UNDERSIDE OF SAID SHELL AND INCLUDING AN ARMATURE ON THE LOWER END OF SAID SHAFTE BELOW SAID BEARINGS, SAID MOTOR BEING CONSTRUCTED SO THAT THE AXIAL LENGTH OF THE STATOR AND ARMATURE ELEMENTS THEREOF IS LESS THAN 50% OF THE OUTSIDE DIAMETER OF THE MOTOR, SAID CONTAINER BEING MOUNTED ON THE UPPER END OF SAID SHAFT WHEREBY IT MAY BE ROTATED WITHIN SAID SHELL FOR CENTRIFUGALLY DISCHARGING WATER FROM LAUNDRY WITHIN SAID CONTAINER, A MOVABLE OUTER COVER ADAPTED TO SEAT ON SAID SHELL FOR CLOSING THE SAME, AN INNER COVER ROTATABLY CARRRIED BY THE OUTER COVER AND ADAPTED TO SEAT ON THE RIM AT THE OPEN END OF SAID CONTAINER SO AS TO ROTATE THEREWITH, WHEN THE OUTER COVER IS MOVED TO SEAT ON SAID SHELL, FOR CLOSING THE OPEN END OF THE CONTAINER, A BRACKET SECURED TO SAID SHELL, MEANS FOR SUPPLYING A FORM OF ELECTRIC CURRENT TO SAID MOTOR DIFFERENT THAN THE FORM OF ELECTRIC CURRENT USED TO ENERGIZE SAID MOTOR TO ROTATE SAID CONTAINER FOR CONVERTING SAID MOTO INTO A BRAKE FOR BRAKING SAID CONTAINER TO A STOP, A MOVABLE ARM CARRIED BY SAID BRACKET, SAID OUTER COVER BEING MOUNTED ON SAID ARM AND BRACKET FOR MOVING SAID OUTER AND INNER COVERS TO OPEN SAID CONTAINER AND ELEVATE SUCH COVERS ABOVE THE OPENINGS IN SAID SHELL AND CONTAINER.

References Cited (Backward Citations)

DE538062C Cited
US1815934A Cited
US1958123A Cited
US2588963A Cited
US2752044A Cited
US2907464A Cited
US2867329A Cited
US2922097A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-09 1967-12-09 1968-06-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-09 1971-12-09 1972-06-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-09 1975-12-09 1976-06-09 $7700.00 Window Closed / Lapsed

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