US3500636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine plants
Assignee: Associated Electrical Industries Ltd
•
Filing: 1967-02-14
•
Granted: 1970-03-17
•
Expires: 1987-02-14
Abstract
No abstract record available.
Inventors
- 👤 Hugh Robert Morton Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:55
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/36; F01; F01K; F01K23/00; F01K23/02; F01K23/06; F01K23/10; F02C9/00; F02C9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA601999A
Cited
US2428136A
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DE860901C
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US2659528A
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US2663145A
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US2705590A
Cited
US2705865A
Cited
GB679007A
Cited
FR1029635A
Cited
FR1206492A
Cited
US3066488A
Cited
US3177659A
Cited
US3285567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |