US2403564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wind-operated device for generating electricity
Assignee: Individual
•
Filing: 1945-06-08
•
Granted: 1946-07-09
•
Expires: 1965-06-08
Abstract
No abstract record available.
Inventors
- 👤 Samuel P Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:06
CPC Classifications
F; F03; F03D; F03D9/00; F03D9/20; F03D9/25; F03D13/00; F03D13/20; F03D15/00; F03D15/10; F03D9/10; F03D9/11; F05; F05B; F05B2220/00; F05B2220/70; F05B2220/706; F05B2240/00; F05B2240/40; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E10/728; Y02E70/00; Y02E70/30; 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) | 1949-07-08 | 1950-01-07 | 1950-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-08 | 1954-01-07 | 1954-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-08 | 1958-01-07 | 1958-07-09 | $7700.00 | Window Closed / Lapsed |