US3214038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for railway vehicles
Assignee: SPX Technologies Inc
•
Filing: 1962-03-05
•
Granted: 1965-10-26
•
Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Davison
- 👤 Glenn O Ferm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:37
CPC Classifications
B; B61; B61L; B61L23/00; B61L23/002; B61L23/005; B61L3/00; B61L3/16; B61L3/22; B61L3/24; B61L3/246
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A SYSTEM FOR GOVERNING THE ALTERNATE STOPPING AND STARTING OF A RAILWAY TRAIN AT A PREDETERMINED LOCATION AT WHICH THE CARS OF SAID TRAIN ARE TO BE SUCCESSIVELY SPOTTED FOR A PREDETERMINED TIME INTERVAL COMPRISING, (A) MEANS FOR DETECTING WHEN EACH SUCCESSIVE CAR TO BE SPOTTED IS SUBSTANTIALLY IN PROPER SPOTTING POSITION ADJACENT SAID LOCATION, (B) FIRST CONTROL MEANS RESPONSIVE TO THE CONDITION OF SAID DETECTING MEANS EFFECTIVE TO CAUSE THE STOPPING OF SAID TRAIN EACH TIME A CAR TO BE SPOTTED IS SUBSTANTIALLY IN SAID PROPER SPOTTING POSITION, (C) REGISTERING MEANS FOR REGISTERING THE COMPLETION OF OF SAID PREDETERMINED TIME INTERVAL FOR EACH CAR STOPPED IN SAID SPOTTING POSITION ADJACENT SAID LOCATION, AND (D) SECOND CONTROL MEANS RESPONSIVE TO THE CONDITION OF SAID REGISTERING MEANS EFFECTIVE TO CAUSE THE STARTING OF SAID TRAIN SUBSEQUENT TO THE COMPLETION OF SAID PREDETERMINED TIME INTERVAL FOR EACH CAR.
Claim 2
Independent Claim
146 words
A SYSTEM FOR GOVERNING THE ALTERNATE STOPPING AND STARTING OF A RAILWAY TRAIN AT A PREDETERMINED LOCATION AT WHICH THE CARS OF SAID TRAIN ARE TO BE SUCCESSIVELY SPOTTED FOR A PREDETERMINED TIME INTERVAL COMPRISING, (A) MEANS FOR DETECTING WHEN EACH SUCCESSIVE CAR TO BE SPOTTED IS SUBSTANTIALLY IN PROPER SPOTTING POSITION ADJACENT SAID LOCATION, (B) FIRST CONTROL MEANS RESPONSIVE TO THE CONDITION OF SAID DETECTING MEANS EFFECTIVE TO CAUSE THE STOPPING OF SAID TRAIN EACH TIME A CAR TO BE SPOTTED IS SUBSTANTIALLY IN SAID PROPER SPOTTING POSITION, (C) REGISTERING MEANS FOR REGISTERING THE COMPLETION OF OF SAID PREDETERMINED TIME INTERVAL FOR EACH CAR STOPPED IN SAID SPOTTING POSITION ADJACENT SAID LOCATION, AND (D) SECOND CONTROL MEANS RESPONSIVE TO THE CONDITION OF SAID REGISTERING MEANS EFFECTIVE TO CAUSE THE STARTING OF SAID TRAIN SUBSEQUENT TO THE COMPLETION OF SAID PREDETERMINED TIME INTERVAL FOR EACH CAR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |