US898675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passenger-recording system for trains.
Assignee: Individual
•
Filing: 1906-12-06
•
Granted: 1908-09-15
•
Expires: 1926-12-06
Abstract
No abstract record available.
Inventors
- 👤 Walter E Parr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:47
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/01; G08G1/0104
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) | 1911-09-15 | 1912-03-16 | 1912-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-09-15 | 1916-03-16 | 1916-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-09-15 | 1920-03-16 | 1920-09-15 | $7700.00 | Window Closed / Lapsed |