US3173432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine
Assignee: Westinghouse Electric Corp
•
Filing: 1961-12-14
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Granted: 1965-03-16
•
Expires: 1981-12-14
Abstract
No abstract record available.
Inventors
- 👤 Hal H Dronberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:36
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4297; A47L15/46; D; D06; D06F; D06F34/00; D06F34/06; A47L2501/00; A47L2501/06; D06F34/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
A WASHING MACHINE HAVING A WATER CHAMBER, ELECTRIC SUPPLY CONNECTIONS, A TIMER HAVING A TIMER MOTOR, A TWO POSITION SWITCH, MEANS INCLUDING SAID SWITCH IN ONE OF ITS TWO POSITIONS FOR CONNECTING SAID MOTOR TO SAID CONNECTIONS, AN ELECTRIC HEATER IN SAID CHAMBER, A THERMOSTAT IN SAID CHAMBER, A CIRCUIT CLOSED BY SAID TIMER FOR CONNECTING SAID THERMOSTAT AND SAID HEATER IN SERIES TO SAID CONNECTIONS, AND MEANS INCLUDING SAID THERMOSTAT AND SAID SWITCH IN ITS OTHER POSITION FOR RENDERING SAID MOTOR INOPERATIVE WHEN THE CONTACTS OF SAID THERMOSTAT ARE CLOSED.
References Cited (Backward Citations)
US1183925A
Cited
US2254269A
Cited
US2693097A
Cited
US2918068A
Cited
US2975624A
Cited
US3049132A
Cited
US3032636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |