US2531098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving mechanism
Assignee: General Electric Co
•
Filing: 1945-12-28
•
Granted: 1950-11-21
•
Expires: 1965-12-28
Abstract
No abstract record available.
Inventors
- 👤 Anderson Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:53
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/06; F04D29/063; H; H02; H02K; H02K7/00; H02K7/08; H02K7/085; H02K7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1066635A
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US1337742A
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GB252939A
Cited
US1817160A
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US1973070A
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US1906715A
Cited
AT141014B
Cited
US2113335A
Cited
US2167882A
Cited
US2190246A
Cited
US2322924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |