US2614385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting structure for gas turbine power plants
Assignee: Power Jets Research and Development Ltd
•
Filing: 1949-08-30
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Granted: 1952-10-21
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Expires: 1969-08-30
Abstract
No abstract record available.
Inventors
- 👤 Geoffrey B R Feilden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:33
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/46; F02; F02C; F02C3/00; F02C3/14; F05; F05D; F05D2250/00; F05D2250/80; F05D2250/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2432359A
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US2445114A
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US2401826A
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US2468461A
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US2479573A
Cited
US2469439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |