US463980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gearing for windmills
Assignee: —
•
Filing: —
•
Granted: 1891-11-24
•
Expires: 1908-11-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:39
CPC Classifications
F; F03; F03D; F03D15/00; F03D15/10; F03D80/00; F04; F04B; F04B9/00; F04B9/02; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/19; Y10T74/1987; Y10T74/19884
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) | 1894-11-23 | 1895-05-25 | 1895-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-11-23 | 1899-05-25 | 1899-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-11-24 | 1903-05-26 | 1903-11-25 | $7700.00 | Window Closed / Lapsed |