US3358613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle control system
Assignee: SPX Technologies Inc
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Filing: 1965-10-23
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Granted: 1967-12-19
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Willis R Smith
- 👤 Clinton S Wilcox
- 👤 John A Snell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:42
CPC Classifications
B; B60; B60L; B60L15/00; B60L15/32; B60L2200/00; B60L2200/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A SYSTEM FOR CONTROLLING A LOCOMOTIVE IN ACCORDANCE WITH FORCES IN A VEHICLE COUPLER COMPRISING, FIRST SENSING MEANS FOR GENERATING A WORKING SIGNAL CHARACTERISTIC OF FORCE IN THE COUPLER, SECOND SENSING MEANS FOR GENERATING A FIRST CHECKING SIGNAL CHARACTERISTIC OF THE FORCE IN THE COUPLER, MEANS FOR GENERATING A FIXED CHECK SIGNAL, MEANS FOR GENERATING A SIGNAL CHARACTERISTIC OF THE ACTUAL SPEED OF THE LOCOMOTIVE, AND COMPUTING MEANS CONTROLLED BY THE WORKING SIGNAL, THE FIRST CHECKING SIGNAL, THE FIXED CHECKING SIGNAL AND THE SPEED SIGNAL FOR ALTERNATELY GENERATING A SIGNAL CHARACTERISTIC OF DESIRED POWER FOR THE LOCOMOTIVE AND A TEST SIGNAL.
Claim 2
Independent Claim
101 words
A SYSTEM FOR CONTROLLING A LOCOMOTIVE IN ACCORDANCE WITH FORCES IN A VEHICLE COUPLER COMPRISING, FIRST SENSING MEANS FOR GENERATING A WORKING SIGNAL CHARACTERISTIC OF FORCE IN THE COUPLER, SECOND SENSING MEANS FOR GENERATING A FIRST CHECKING SIGNAL CHARACTERISTIC OF THE FORCE IN THE COUPLER, MEANS FOR GENERATING A FIXED CHECK SIGNAL, MEANS FOR GENERATING A SIGNAL CHARACTERISTIC OF THE ACTUAL SPEED OF THE LOCOMOTIVE, AND COMPUTING MEANS CONTROLLED BY THE WORKING SIGNAL, THE FIRST CHECKING SIGNAL, THE FIXED CHECKING SIGNAL AND THE SPEED SIGNAL FOR ALTERNATELY GENERATING A SIGNAL CHARACTERISTIC OF DESIRED POWER FOR THE LOCOMOTIVE AND A TEST SIGNAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |