US695648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block system for railways.
Assignee: ROWELL POTTER SAFETY STOP Co
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Filing: 1899-02-13
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Granted: 1902-03-18
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Expires: 1919-02-13
Abstract
No abstract record available.
Inventors
- 👤 Benton C Rowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:28
CPC Classifications
B; B61; B61L; B61L23/00; B61L23/08; B61L23/12
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) | 1905-03-17 | 1905-09-16 | 1906-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-03-17 | 1909-09-16 | 1910-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-03-17 | 1913-09-16 | 1914-03-18 | $7700.00 | Window Closed / Lapsed |