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US3109616A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic recorder for centralized traffic controlling system

Assignee: SPX Technologies Inc
•
Filing: 1961-02-28
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Granted: 1963-11-05
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Expires: 1981-02-28
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Abstract

No abstract record available.

Inventors

  • 👤 William D Hailes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 06:17
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)

US1741936A Cited
US2394172A Cited
US2480443A Cited
US2712595A Cited

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

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