US3064126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centralized traffic control system for railroads
Assignee: SPX Technologies Inc
•
Filing: 1957-05-20
•
Granted: 1962-11-13
•
Expires: 1977-05-20
Abstract
No abstract record available.
Inventors
- 👤 Jachino Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:05
CPC Classifications
B; B61; B61L; B61L19/00; B61L19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2223126A
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US2194353A
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US2399734A
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US2439676A
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US2443199A
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US2700728A
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US2793287A
Cited
US2916612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |