US2526410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annular type combustion chamber construction for turbo-power plants
Assignee: Lockheed Martin Corp
•
Filing: 1945-02-26
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Granted: 1950-10-17
•
Expires: 1965-02-26
Abstract
No abstract record available.
Inventors
- 👤 Nathan C Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:46
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/003; F23; F23R; F23R3/00; F23R3/28; F23R3/286
Claims Analysis
Total Claims: 0
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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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |