US2937806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial flow compressor construction and bladed rotors therefor
Assignee: Stalker Corp
•
Filing: 1953-02-12
•
Granted: 1960-05-24
•
Expires: 1973-02-12
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:59
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/021
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) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |