US459536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Island
Assignee: —
•
Filing: —
•
Granted: 1891-09-15
•
Expires: 1908-09-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:38
CPC Classifications
D; D04; D04C; D04C1/00; D04C1/06
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) | 1894-09-14 | 1895-03-16 | 1895-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-09-14 | 1899-03-16 | 1899-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-09-15 | 1903-03-17 | 1903-09-16 | $7700.00 | Window Closed / Lapsed |