US3387820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine engine construction
Assignee: Continental Aviation and Engineering Corp
•
Filing: 1965-05-24
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Granted: 1968-06-11
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Smith Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:32
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/24; F01D25/243; F05; F05B; F05B2260/00; F05B2260/30; F05B2260/301; F05D; F05D2230/00; F05D2230/60; F05D2230/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE615208C
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US2563269A
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US2466602A
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GB668715A
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GB728400A
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US2764266A
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US3104091A
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US3269677A
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US3243158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |