US2481547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine mounting
Assignee: Power Jets Research and Development Ltd
•
Filing: 1945-08-21
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Granted: 1949-09-13
•
Expires: 1965-08-21
Abstract
No abstract record available.
Inventors
- 👤 Walker Daniel Norman
- 👤 Johnson William Evelyn Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:56
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/20; B; B64; B64D; B64D27/00; B64D27/40; B64D27/402; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |