US1036620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric signaling system.
Assignee: SIMMEN AUTOMATIC RAILWAY SIGNAL Co
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Filing: 1908-02-07
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Granted: 1912-08-27
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Expires: 1928-02-07
Abstract
No abstract record available.
Inventors
- 👤 Kent A Hawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
G; G08; G08B; G08B29/00; G08B29/02; G08B29/06; B; B60; B60T; B60T17/00; B60T17/18; B60T17/22; B60T17/228
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) | 1915-08-27 | 1916-02-26 | 1916-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-08-27 | 1920-02-26 | 1920-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-08-27 | 1924-02-26 | 1924-08-27 | $7700.00 | Window Closed / Lapsed |