Patent US2681085A successfully refreshed from Google Patents.
Patent US2487606A successfully refreshed from Google Patents.
US2487606A
Expired / Lapsed
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Power control
Assignee: Individual
•
Filing: 1946-05-31
•
Granted: 1949-11-08
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Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Reuben T Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:53
CPC Classifications
B; B60; B60K; B60K26/00; B60K26/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063; Y10T74/20636; Y10T74/20648
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1375436A
Cited
US1976471A
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US2021832A
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US2082583A
Cited
GB505330A
Cited
US2159772A
Cited
US2208473A
Cited
US2206586A
Cited
US2270002A
Cited
US2423006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |