US2604497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine control circuit
Assignee: Whirlpool Corp
•
Filing: 1946-04-26
•
Granted: 1952-07-22
•
Expires: 1966-04-26
Abstract
No abstract record available.
Inventors
- 👤 Harold E Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:29
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/08; Y; Y10; Y10S; Y10S68/00; Y10S68/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2029335A
Cited
US2225407A
Cited
US2395591A
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US2425788A
Cited
US2391561A
Cited
US2498885A
Cited
US2444645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |