US2539862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-driven turbine power plant
Assignee: Individual
•
Filing: 1946-02-21
•
Granted: 1951-01-30
•
Expires: 1966-02-21
Abstract
No abstract record available.
Inventors
- 👤 Wallace E Rushing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:08
CPC Classifications
F; F03; F03D; F03D9/00; F03D9/10; F03D9/17; F03D9/18; F03D9/20; F03D9/28; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E60/00; Y02E60/16; Y02E70/00; Y02E70/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1852897A
Cited
US903935A
Cited
US1362753A
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US1443664A
Cited
US1369596A
Cited
US1533467A
Cited
US2112633A
Cited
US2080955A
Cited
US2246940A
Cited
US2381321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |