US3482089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telemetry for intraunit railroad control
Assignee: JEROME M RAFFEL
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Filing: 1967-04-07
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Granted: 1969-12-02
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Expires: 1987-04-07
Abstract
No abstract record available.
Inventors
- 👤 Jerome M Raffel
- 👤 Robert R Fontaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:45
CPC Classifications
H; H04; H04Q; H04Q9/00; H04Q9/14; H04Q9/16; G; G08; G08C; G08C15/00; G08C15/06; G08C15/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |