US2153523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wind operated electric generator
Assignee: W N PRICE
•
Filing: 1937-03-25
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Granted: 1939-04-04
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Expires: 1957-03-25
Abstract
No abstract record available.
Inventors
- 👤 Gerald J Roberts
- 👤 William H Edmonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:54
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/18; H02K7/1807; H02K7/1823; H02K7/183; F; F03; F03D; F03D15/00; F03D7/00; F03D7/02; F03D7/0244; F03D7/0248; F03D9/00; F03D9/20; F03D9/25; H02K16/00; H02K16/005; F03D13/00; F03D13/20; F05; F05B; F05B2220/00; F05B2220/70; F05B2220/706; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y10; Y10S; Y10S416/00; Y10S416/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-04-03 | 1942-10-03 | 1943-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-04-03 | 1946-10-03 | 1947-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-04-03 | 1950-10-03 | 1951-04-04 | $7700.00 | Window Closed / Lapsed |