US244971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wind-wheel frame
Assignee: —
•
Filing: —
•
Granted: 1881-08-02
•
Expires: 1898-08-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:08
CPC Classifications
F; F03; F03D; F03D1/00; F03D1/06; F03D1/065; F01; F01D; F01D5/00; F01D5/12; F01D5/22; F01D5/24; F03D80/00; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
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) | 1884-08-01 | 1885-01-31 | 1885-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-08-01 | 1889-01-31 | 1889-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-08-01 | 1893-01-31 | 1893-08-02 | $7700.00 | Window Closed / Lapsed |