US2511023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerogenerator tower
Assignee: United States, AS REPRESENTED BY CHAIRMAN OF FEDERAL POWER COMMISSION
•
Filing: 1945-07-14
•
Granted: 1950-06-13
•
Expires: 1965-07-14
Abstract
No abstract record available.
Inventors
- 👤 Percy H Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:35
CPC Classifications
F; F03; F03D; F03D13/00; F03D13/20; F03D80/00; F03D80/70; F05; F05B; F05B2240/00; F05B2240/40; F05B2240/90; F05B2240/91; F05B2240/912; F05B2240/9121; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E10/728
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) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |