US999423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windmill.
Assignee: Individual
•
Filing: 1909-09-22
•
Granted: 1911-08-01
•
Expires: 1929-09-22
Abstract
No abstract record available.
Inventors
- 👤 Earl Woodrum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:20
CPC Classifications
F; F03; F03D; F03D3/00; B; B64; B64C; B64C11/00; B64C11/006; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/74
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) | 1914-07-31 | 1915-01-30 | 1915-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-07-31 | 1919-01-30 | 1919-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-07-31 | 1923-01-30 | 1923-08-01 | $7700.00 | Window Closed / Lapsed |