Patent US2508397A successfully refreshed from Google Patents.
US2508397A
Expired / Lapsed
US
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Cooling means for gas turbogenerators
Assignee: Individual
•
Filing: 1948-12-14
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Granted: 1950-05-23
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Expires: 1968-12-14
Abstract
No abstract record available.
Inventors
- 👤 Kane Saul Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:52
CPC Classifications
F; F01; F01D; F01D15/00; F01D15/10; H; H02; H02K; H02K9/00; H02K9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2149516A
Cited
GB189905734A
Cited
US1239647A
Cited
US1526988A
Cited
US1778036A
Cited
US1916329A
Cited
US2019026A
Cited
US2358301A
Cited
US2444415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |