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US3405865A
Expired / Lapsed
US
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Turbofan bladings
Assignee: Individual
•
Filing: 1966-10-18
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Granted: 1968-10-15
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Expires: 1986-10-18
Abstract
No abstract record available.
Inventors
- 👤 Lagelbauer Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:20
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/68; F04D29/681; F04D29/684; F04D29/26; F04D29/32; F04D29/321; F04D29/324; F04D29/40; F04D29/52; F04D29/54; F04D29/541; F04D29/542; F04D29/544; F05; F05D; F05D2240/00; F05D2240/10; F05D2240/12; F05D2240/122; F05D2240/20; F05D2240/30; F05D2240/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE509268A
Cited
US736952A
Cited
FR592393A
Cited
US2653754A
Cited
US2701682A
Cited
US3032313A
Cited
US3009630A
Cited
US3191377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |