US3455537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooled turbine rotor self-sustaining shroud plate
Assignee: Continental Aviation and Engineering Corp
•
Filing: 1967-09-27
•
Granted: 1969-07-15
•
Expires: 1987-09-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Kozlin
- 👤 David T Ciavola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:56
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/001; F01D5/00; F01D5/30; F01D5/3007; F01D5/3015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB790029A
Cited
GB802476A
Cited
US3051438A
Cited
US2988325A
Cited
GB947553A
Cited
US3181835A
Cited
US3295825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |