Patent US3597777A successfully refreshed from Google Patents.
US3597777A
Expired / Lapsed
US
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Clothes washing machines and methods of operating the same
Assignee: Valeo Engine Cooling Inc
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Filing: 1970-01-19
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Granted: 1971-08-10
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Expires: 1990-01-19
Abstract
Abstract A clothes washing machine and method of operation are provided in which a high speed spin and drain cycle is locked in immediately after the wash cycle in all washing programs followed by a deep agitated rinse and a final high speed spin and drain for regular clothes and a final slow speed spin and drain for delicate fabrics and wash and wear clothes.
Inventors
- 👤 Peyton W Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:50
CPC Classifications
D; D06; D06F; D06F35/00; D06F35/005; D06F37/00; D06F37/30; D06F37/304
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
45 words
In a clothes washing machine as claimed in claim 1 wherein the drive means includes a motor rotatable in one direction to reciprocate the agitator and in the opposite direction at two speeds for rotating the inner tub at high speed and at low speed.
Claim 2
Dependent Claim
24 words
In a clothes washing machine as claimed in claim 1 wherein the first spin and drain cycle is locked in and cannot be bypassed.
Claim 3
Independent Claim
105 words
A method of operating a clothes washing machine having an outer stationary tub, an inner rotatable tub and a reciprocable agitator in the inner tub, comprising the steps of: a. loading clothes to be washed in said inner tub; b. reciprocating the agitator in a wash cycle; c. rotating said inner tub at high speed while draining said outer tub immediately following the wash cycle; d. reciprocating the agitator in a deep rinse cycle immediately following said high speed rotation, and e. rotating said inner tub selectively at one of a high speed rotation for regular fabrics and a slow speed rotation for delicate fabrics.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |