US3218453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway signal system
Assignee: Individual
•
Filing: 1962-10-31
•
Granted: 1965-11-16
•
Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Sidney H Bingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:58
CPC Classifications
B; B61; B61L; B61L13/00; B61L13/04; B61L13/045; B61L3/00; B61L3/16; B61L3/22; B61L3/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A VEHICLE TRANSPORTATION SIGNALING SYSTEM FOR A RIGHT OF WAY INCLUDING AT LEAST ONE TRACK ON WHICH A VEHICLE IS GUIDED, SAID RIGHT OF WAY BEING DIVIDED INTO SUCCESSIVE SIGNAL BLOCKS AND SAID SIGNALING SYSTEM COMPRISING: A RESPECTIVE CODED VEHICLE CONTROL SIGNAL SOURCE FOR EACH SAID SIGNAL BLOCK, A RESPECTIVE SIGNAL LOOP FOR EACH SIGNAL BLOCK, EACH SAID LOOP BEING COEXTENSIVE WITH ITS CORRESPONDING BLOCK AND SEPARATE FROM THE TRACKS THEREOF, EACH SAID SIGNAL LOOP ALSO BEING ADAPTED TO RECEIVE AND CONVEY THE CONTROL SIGNAL FROM THE SIGNAL SOURCE FOR THE CORRESPONDING BLOCK, AND A CONTROL SYSTEM FOR EACH SIGNAL BLOCK INCLUDING A PLURALITY OF ACTUATORS SPACED ALONG SAID BLOCK AND ACTUATED BY A VEHICLE PASSING THERETHROUGH, SAID ACTUATORS UPON ACTUATION SUCCESSIVELY RENDERING PORTIONS OF THE CORRESPONDING SIGNAL LOOP FOR THE BLOCK TO THE REAR OF THE ACTUATOR ACTUATED BY THE VEHICLE INEFFECTIVE FOR THE CONVEYANCE OF THE VEHICLE CONTROL SIGNAL WHILE MAINTAINING THE PORTIONS OF THE LOOP OF THE BLOCK FORWARD OF AN ACTUATOR ACTUATED BY THE VEHICLE EFFECTIVE FOR CONVEYANCE OF THE VEHICLE CONTROL SIGNAL.
Claim 2
Dependent Claim
177 words
A VEHICLE TRANSPORTATION SIGNALING SYSTEM FOR A RIGHT OF WAY INCLUDING AT LEAST ONE TRACK ON WHICH A VEHICLE IS GUIDED, SAID RIGHT OF WAY BEING DIVIDED INTO SUCCESSIVE SIGNAL BLOCKS AND SAID SIGNALING SYSTEM COMPRISING: A RESPECTIVE CODED VEHICLE CONTROL SIGNAL SOURCE FOR EACH SAID SIGNAL BLOCK, A RESPECTIVE SIGNAL LOOP FOR EACH SIGNAL BLOCK, EACH SAID LOOP BEING COEXTENSIVE WITH ITS CORRESPONDING BLOCK AND SEPARATE FROM THE TRACKS THEREOF, EACH SAID SIGNAL LOOP ALSO BEING ADAPTED TO RECEIVE AND CONVEY THE CONTROL SIGNAL FROM THE SIGNAL SOURCE FOR THE CORRESPONDING BLOCK, AND A CONTROL SYSTEM FOR EACH SIGNAL BLOCK INCLUDING A PLURALITY OF ACTUATORS SPACED ALONG SAID BLOCK AND ACTUATED BY A VEHICLE PASSING THERETHROUGH, SAID ACTUATORS UPON ACTUATION SUCCESSIVELY RENDERING PORTIONS OF THE CORRESPONDING SIGNAL LOOP FOR THE BLOCK TO THE REAR OF THE ACTUATOR ACTUATED BY THE VEHICLE INEFFECTIVE FOR THE CONVEYANCE OF THE VEHICLE CONTROL SIGNAL WHILE MAINTAINING THE PORTIONS OF THE LOOP OF THE BLOCK FORWARD OF AN ACTUATOR ACTUATED BY THE VEHICLE EFFECTIVE FOR CONVEYANCE OF THE VEHICLE CONTROL SIGNAL.
References Cited (Backward Citations)
FR553123A
Cited
US1936618A
Cited
US2084879A
Cited
US2488815A
Cited
US2706813A
Cited
US3041448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |