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US460097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dorff
Assignee: —
•
Filing: —
•
Granted: 1891-09-22
•
Expires: 1908-09-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:37
CPC Classifications
G; G04; G04B; G04B49/00; G04B49/02
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) | 1894-09-21 | 1895-03-23 | 1895-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-09-21 | 1899-03-23 | 1899-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-09-22 | 1903-03-24 | 1903-09-23 | $7700.00 | Window Closed / Lapsed |