US456193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windmill-tower
Assignee: —
•
Filing: —
•
Granted: 1891-07-21
•
Expires: 1908-07-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:03
CPC Classifications
E; E21; E21B; E21B15/00; E04; E04H; E04H12/00; E04H12/02; E04H12/08; E04H12/10; E04H12/18; E04H12/187; F; F03; F03D; F03D13/00; F03D13/20; F05; F05B; F05B2240/00; F05B2240/90; F05B2240/91; F05B2240/915; F05B2240/9152; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E10/728
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1894-07-20 | 1895-01-19 | 1895-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-07-20 | 1899-01-19 | 1899-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-07-21 | 1903-01-20 | 1903-07-22 | $7700.00 | Window Closed / Lapsed |