Patent US3176125A successfully refreshed from Google Patents.
US3176125A
Expired / Lapsed
US
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Recording system for vehicle traffic
Assignee: SPX Technologies Inc
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Filing: 1961-05-29
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Granted: 1965-03-30
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Willis R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:59
CPC Classifications
B; B61; B61L; B61L25/00; B61L25/02; B61L25/04; B61L25/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A RECORDING SYSTEM FOR PRINTING ARRIVAL TIMES ON A RECORD SHEET AT A CONTROL OFFICE OF A VEHICLE WHEN IT ARRIVES AT FIELD STATIONS AT THE ENDS OF PASSING SIDINGS IN A SINGLE TRACK RIGHT-AWAY COMPRISING, NORMALLY AT REST CODE COMMUNICATION MEANS CONNECTING A CONTROL OFFICE AND THE FIELD STATIONS OPERABLE THROUGH A CYCLE OF OPERATION TO COMMUNICATE AN INDICATION TO THE CONTROL OFFICE IN RESPONSE TO THE ARRIVAL OF A VEHICLE AT ONE OF THE PASSING SIDINGS, TRACKING MEANS AT THE CONTROL OFFICE FOR INDENTIFYING AND TRACKING THE VEHICLE THROUGH THE SEVERAL FIELD STATIONS ALONG THE RIGHT-OF-WAY, AND RECORDING MEANS AT THE CONTROL OFFICE RESPONSIVE TO AN INDICATION RECEIVED FROM A FIELD STATION BY SAID CODE COMMUNICATION MEANS FOR TYPING THE ARRIVAL TIME OF THE VEHICLE ON A RECORD SHEET IN A POSITION SELECTED BY SAID TRACKING MEANS.
Claim 2
Dependent Claim
139 words
A RECORDING SYSTEM FOR PRINTING ARRIVAL TIMES ON A RECORD SHEET AT A CONTROL OFFICE OF A VEHICLE WHEN IT ARRIVES AT FIELD STATIONS AT THE ENDS OF PASSING SIDINGS IN A SINGLE TRACK RIGHT-AWAY COMPRISING, NORMALLY AT REST CODE COMMUNICATION MEANS CONNECTING A CONTROL OFFICE AND THE FIELD STATIONS OPERABLE THROUGH A CYCLE OF OPERATION TO COMMUNICATE AN INDICATION TO THE CONTROL OFFICE IN RESPONSE TO THE ARRIVAL OF A VEHICLE AT ONE OF THE PASSING SIDINGS, TRACKING MEANS AT THE CONTROL OFFICE FOR INDENTIFYING AND TRACKING THE VEHICLE THROUGH THE SEVERAL FIELD STATIONS ALONG THE RIGHT-OF-WAY, AND RECORDING MEANS AT THE CONTROL OFFICE RESPONSIVE TO AN INDICATION RECEIVED FROM A FIELD STATION BY SAID CODE COMMUNICATION MEANS FOR TYPING THE ARRIVAL TIME OF THE VEHICLE ON A RECORD SHEET IN A POSITION SELECTED BY SAID TRACKING MEANS.
References Cited (Backward Citations)
US624385A
Cited
US2988269A
Cited
US1124820A
Cited
US1183969A
Cited
US1342635A
Cited
US1456560A
Cited
US2020146A
Cited
US2206550A
Cited
US2388351A
Cited
US2474438A
Cited
US2980225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |