US2472571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating system
Assignee: General Electric Co
•
Filing: 1946-08-01
•
Granted: 1949-06-07
•
Expires: 1966-08-01
Abstract
No abstract record available.
Inventors
- 👤 Selden B Crary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:35
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/14; H02P9/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1617007A
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US1909137A
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US1935290A
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US1934529A
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US1948750A
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US2005894A
Cited
US2011655A
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US2259091A
Cited
US2358456A
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US2383306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |