US3557580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine transmission
Assignee: McGraw Edison Co
•
Filing: 1969-02-10
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Granted: 1971-01-26
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Expires: 1989-02-10
Abstract
Abstract A LAUNDRY MACHINE DRIVE MECHANISM FOR AGITATION AND CENTRIFUGAL DRYING CONTROLLED BY REVERSING A POWER MOTOR WHICH DRIVES THROUGH TWO PULLEYS MOUNTED ON SCREW THREADS FOR LIMITED INDEPENDENT AXIAL AND ROTATIONAL MOVEMENT, ONE OF WHICH OPERATES A LEVER TO ENGAGE AND DISENGAGE AN AGITATOR CLUTCH AND THE OTHER OF WHICH OPERATES TO SET A TUB-BRAKE AND ALTERNATELY TO ENGAGE A FRICTION CLUTCH TO SPIN THE TUB FOR CENTRIFUGAL DRYING.
Inventors
- 👤 Karlia V Racenis
- 👤 John Richard Cochran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:03
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/30; D06F37/40; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |