US2307622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windmill
Assignee: Stover Manufacturing & Engine Co
•
Filing: 1938-11-05
•
Granted: 1943-01-05
•
Expires: 1958-11-05
Abstract
No abstract record available.
Inventors
- 👤 Henry N Edens
- 👤 Clarence B Molter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:58
CPC Classifications
F; F03; F03D; F03D15/00; F03D15/10; F03D80/00; F03D80/70; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208
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) | 1946-01-04 | 1946-07-06 | 1947-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-04 | 1950-07-06 | 1951-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-04 | 1954-07-06 | 1955-01-05 | $7700.00 | Window Closed / Lapsed |