US406679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windmill-tower
Assignee: —
•
Filing: —
•
Granted: 1889-07-09
•
Expires: 1906-07-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:34
CPC Classifications
F; F03; F03D; F03D13/00; F03D13/20; E; E04; E04C; E04C5/00; E04C5/16; E04C5/161; F03D80/00; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E10/728
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) | 1892-07-08 | 1893-01-07 | 1893-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-07-08 | 1897-01-07 | 1897-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-07-09 | 1901-01-08 | 1901-07-10 | $7700.00 | Window Closed / Lapsed |