US2710523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine tail cone
Assignee: AV Roe Canada Ltd
•
Filing: 1951-09-27
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Granted: 1955-06-14
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Expires: 1971-09-27
Abstract
No abstract record available.
Inventors
- 👤 Purvis Joseph Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:29
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/78; F02K1/82; F01; F01D; F01D25/00; F01D25/30; F02K1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2442019A
Cited
US2427244A
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US2494659A
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US2584899A
Cited
US2620157A
Cited
US2488875A
Cited
US2625793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |