Patent US3501247A successfully refreshed from Google Patents.
US3501247A
Expired / Lapsed
US
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Blade fixing arrangement
Assignee: Safran Aircraft Engines SAS
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Filing: 1968-07-05
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Granted: 1970-03-17
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Expires: 1988-07-05
Abstract
No abstract record available.
Inventors
- 👤 Marcel Joseph Tournere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:36
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/22; F01D5/24; C; C04; C04B; C04B35/00; C04B35/71; C04B35/78; C04B35/80; C04B35/82; F01D5/225; F01D5/28; F01D5/30; F01D5/3007; F01D9/00; F01D9/02; F01D9/04; F01D9/042
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) | 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 |