US2620123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling system for combustion gas turbines
Assignee: Continental Aviation and Engineering Corp
•
Filing: 1946-05-31
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Granted: 1952-12-02
•
Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 William J Parducci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:08
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/08; F01D5/081; F01D5/082; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |