Patent US4574246A successfully refreshed from Google Patents.
Patent US2863224A successfully refreshed from Google Patents.
US2863224A
Expired / Lapsed
US
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Control for clothes dryer
Assignee: Westinghouse Electric Corp
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Filing: 1956-05-23
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Granted: 1958-12-09
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Expires: 1976-05-23
Abstract
No abstract record available.
Inventors
- 👤 Edgar L Zehrbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:29
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/10; D06F2101/00; D06F2101/14; D06F2101/16; D06F2103/00; D06F2103/28; D06F2103/32; D06F2105/00; D06F2105/28; D06F34/06
Claims Analysis
Total Claims: 0
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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) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |