← Back to Patent Explorer
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
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag