US3289173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car coupling information storage system
Assignee: SPX Technologies Inc
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Filing: 1962-12-31
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Granted: 1966-11-29
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Willis R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:00
CPC Classifications
B; B61; B61L; B61L17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A RAILROAD CLASSIFICATION YARD HAVING STORAGE TRACKS AND CAR RETARDER MEANS TO CONTROL SPEED OF ROLLING CUTS DESTINED FOR PRESELECTED STORAGE TRACKS, DISTANCE-TO-COUPLING STORAGE MEANS COMPRISING A MATRIX OF APERTURED MAGNETIC CORES, EACH ROW OF THE MATRIX BEING RESPONSIVE TO THE NUMBER OF CUTS STORED ON A PARTICULAR TRACK IN THE YARD, MEANS INCLUDING A COMPUTER COUPLING THE MATRIX TO THE CAR RETARDER MEANS, AUTOMATIC MEANS ENERGIZING A ROUTE RELAY ASSOCIATED WITH ANY PARTICULAR TRACK AND THEREUPON CAUSING READOUT OF TRACK FULLNESS INFORMATION TO THE COMPUTER FROM THE MATRIX ROW RESPONSIVE TO STORED CUTS ON SAID PARTICULAR TRACK, AND MANUAL MEANS FOR CAUSING READOUT OF THE ROW OF CORES RESPONSIVE TO THE NUMBER OF CUTS STORED ON ANY OTHER TRACK IN THE CLASSIFICATION YARD FOR ENERGIZING THE TRACK RELAY ASSOCIATED WITH SAID
Claim 2
Dependent Claim
133 words
IN A RAILROAD CLASSIFICATION YARD HAVING STORAGE TRACKS AND CAR RETARDER MEANS TO CONTROL SPEED OF ROLLING CUTS DESTINED FOR PRESELECTED STORAGE TRACKS, DISTANCE-TO-COUPLING STORAGE MEANS COMPRISING A MATRIX OF APERTURED MAGNETIC CORES, EACH ROW OF THE MATRIX BEING RESPONSIVE TO THE NUMBER OF CUTS STORED ON A PARTICULAR TRACK IN THE YARD, MEANS INCLUDING A COMPUTER COUPLING THE MATRIX TO THE CAR RETARDER MEANS, AUTOMATIC MEANS ENERGIZING A ROUTE RELAY ASSOCIATED WITH ANY PARTICULAR TRACK AND THEREUPON CAUSING READOUT OF TRACK FULLNESS INFORMATION TO THE COMPUTER FROM THE MATRIX ROW RESPONSIVE TO STORED CUTS ON SAID PARTICULAR TRACK, AND MANUAL MEANS FOR CAUSING READOUT OF THE ROW OF CORES RESPONSIVE TO THE NUMBER OF CUTS STORED ON ANY OTHER TRACK IN THE CLASSIFICATION YARD FOR ENERGIZING THE TRACK RELAY ASSOCIATED WITH SAID
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |