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US3315500A Expired / Lapsed US ⏱️ 0.0 years remaining

Oscillating power source particularly for laundry machine

Assignee: Emerson Electric Co
•
Filing: 1966-03-09
•
Granted: 1967-04-25
•
Expires: 1986-03-09
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Abstract

No abstract record available.

Inventors

  • 👤 Robert W Brundage
  • 👤 William J Waight

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 09:39
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/30; D06F37/308; Y; Y10; Y10S; Y10S60/00; Y10S60/908

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 53 words
A LAUNDRY MACHINE HAVING AN AGIATOR TO BE RECIPROCATED OR OSCILLATED, A REVERSIBLE, CONSTANT-DISPLACEMENT, HYDRAULIC MOTOR MECHANICALLY ASSOCIATED WITH SAID AGIATOR, A CONSTANT DISPLACEMENT HYDRAULIC PUMP SUPPLYING HYDRAULIC FLUID TO SAID HYDRAULIC MOTOR, A SUBSTANTIALLY CONSTANT SPEED ELECTRIC MOTOR DRIVING SAID PUMP, A VALVE MEANS BETWEEN SAID PUMP AND SAID MOTOR FOR REVERSING
Claim 2
Dependent Claim 53 words
A LAUNDRY MACHINE HAVING AN AGIATOR TO BE RECIPROCATED OR OSCILLATED, A REVERSIBLE, CONSTANT-DISPLACEMENT, HYDRAULIC MOTOR MECHANICALLY ASSOCIATED WITH SAID AGIATOR, A CONSTANT DISPLACEMENT HYDRAULIC PUMP SUPPLYING HYDRAULIC FLUID TO SAID HYDRAULIC MOTOR, A SUBSTANTIALLY CONSTANT SPEED ELECTRIC MOTOR DRIVING SAID PUMP, A VALVE MEANS BETWEEN SAID PUMP AND SAID MOTOR FOR REVERSING

References Cited (Backward Citations)

US968413A Cited
US977772A Cited
US1932246A Cited
US2072047A Cited
GB429644A Cited
US2025840A Cited
US2078139A Cited
US2422545A Cited
US2574418A Cited
US2444018A Cited
US2816450A Cited
US3242703A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-24 1970-10-24 1971-04-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-24 1974-10-24 1975-04-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-24 1978-10-24 1979-04-25 $7700.00 Window Closed / Lapsed

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