US3109616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic recorder for centralized traffic controlling system
Assignee: SPX Technologies Inc
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Filing: 1961-02-28
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Granted: 1963-11-05
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Expires: 1981-02-28
Abstract
No abstract record available.
Inventors
- 👤 William D Hailes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:50
CPC Classifications
B; B61; B61L; B61L25/00; B61L25/02; B61L25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN APPARATUS FOR RECORDING THE ROUTE TAKEN BY A TRAIN THROUGH A TRACK LAYOUT HAVING A TRACK SWITCH FOR ESTABLISHING DIFFERENT ROUTES THROUGH SAID TRACK LAYOUT, WITH DETECTION MEANS FOR EACH SAID ROUTE FOR REGISTERING TRACK OCCUPANCY, THE COMBINATION COMPRISING, SWITCH POSITION INDICATION MEANS SELECTIVELY OPERATED IN ACCORDANCE WITH THE POSITION OF SAID TRACK SWITCH, CIRCUIT MEANS INCLUDING ONLY ONE STYLUS FOR RECORDING DISTINCTIVE CONFIGURATIONS, AND CONTROL MEANS OPERATED BY SAID DETECTION MEANS FOR RENDERING SAID SWITCH POSITION INDICATION MEANS EFFECTIVE FOR PROVIDING A DISTINCTIVE CONTROL FOR SAID STYLUS OF SAID CIRCUIT MEANS IN ACCORDANCE WITH THE POSITION OF SAID
Claim 2
Dependent Claim
100 words
IN APPARATUS FOR RECORDING THE ROUTE TAKEN BY A TRAIN THROUGH A TRACK LAYOUT HAVING A TRACK SWITCH FOR ESTABLISHING DIFFERENT ROUTES THROUGH SAID TRACK LAYOUT, WITH DETECTION MEANS FOR EACH SAID ROUTE FOR REGISTERING TRACK OCCUPANCY, THE COMBINATION COMPRISING, SWITCH POSITION INDICATION MEANS SELECTIVELY OPERATED IN ACCORDANCE WITH THE POSITION OF SAID TRACK SWITCH, CIRCUIT MEANS INCLUDING ONLY ONE STYLUS FOR RECORDING DISTINCTIVE CONFIGURATIONS, AND CONTROL MEANS OPERATED BY SAID DETECTION MEANS FOR RENDERING SAID SWITCH POSITION INDICATION MEANS EFFECTIVE FOR PROVIDING A DISTINCTIVE CONTROL FOR SAID STYLUS OF SAID CIRCUIT MEANS IN ACCORDANCE WITH THE POSITION OF SAID
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |