US540090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric passenger register and recorder
Assignee: —
•
Filing: —
•
Granted: 1895-05-28
•
Expires: 1912-05-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:01
CPC Classifications
G; G06; G06M; G06M7/00
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) | 1898-05-27 | 1898-11-26 | 1899-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1902-05-28 | 1902-11-27 | 1903-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1906-05-28 | 1906-11-27 | 1907-05-29 | $7700.00 | Window Closed / Lapsed |