US1514247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway-traffic-controlling apparatus
Assignee: Hitachi Rail STS USA Inc
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Filing: 1923-01-09
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Granted: 1924-11-04
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Expires: 1943-01-09
Abstract
No abstract record available.
Inventors
- 👤 Charles R Beall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:35
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/12; B60T7/126
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) | 1927-11-04 | 1928-05-05 | 1928-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-11-04 | 1932-05-05 | 1932-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-11-04 | 1936-05-05 | 1936-11-04 | $7700.00 | Window Closed / Lapsed |