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US3211907A
Expired / Lapsed
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Car routing system for railroads
Assignee: SPX Technologies Inc
•
Filing: 1958-12-26
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Granted: 1965-10-12
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Expires: 1978-12-26
Abstract
No abstract record available.
Inventors
- 👤 Blaisdell Donald
- 👤 Hugh C Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:43
CPC Classifications
B; B61; B61L; B61L17/00; B61L25/00; B61L25/02; B61L25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A SYSTEM FOR RECEIVING AND REGISTERING CODES FOR THE ROUTING OF SUCCESSIVE CARS OF A TRAIN TO SELECTED ONES OF A PLURALITY OF DESTINATIONS, SAID CODES BEING FORMED BY CODE CHARACTERS CHARACTERISTICS OF EACH OF THE PLURALITY OF DESTINATIONS OF SAID CARS, COMPRISING CODE RECEIVING MEANS FOR STORING TEMPORARILY A PLURALITY OF THE CODES IN A PREDETERMINED SEQUENCE, A PERMANENT AND REPLACEABLE CODE STORAGE MEANS TO PERMANENTLY STORE MAGNETICALLY IN A SELECTED ROW AND COLUMN A PLURALITY OF CODE CHARACTERS CHARACTERISTIC OF THE DESTINATION OF EACH CAR, LINE ADDRESS SELECTION MEANS WHEN ACTIVATED TO SELECT EACH CODE STORED IN THE PERMANENT STORAGE MEANS IN A PREDETERMINED SUCCESSION, CIRCUIT CONTROL MEANS GOVERNED BY THE LINE AD-
Claim 2
Dependent Claim
116 words
IN A SYSTEM FOR RECEIVING AND REGISTERING CODES FOR THE ROUTING OF SUCCESSIVE CARS OF A TRAIN TO SELECTED ONES OF A PLURALITY OF DESTINATIONS, SAID CODES BEING FORMED BY CODE CHARACTERS CHARACTERISTICS OF EACH OF THE PLURALITY OF DESTINATIONS OF SAID CARS, COMPRISING CODE RECEIVING MEANS FOR STORING TEMPORARILY A PLURALITY OF THE CODES IN A PREDETERMINED SEQUENCE, A PERMANENT AND REPLACEABLE CODE STORAGE MEANS TO PERMANENTLY STORE MAGNETICALLY IN A SELECTED ROW AND COLUMN A PLURALITY OF CODE CHARACTERS CHARACTERISTIC OF THE DESTINATION OF EACH CAR, LINE ADDRESS SELECTION MEANS WHEN ACTIVATED TO SELECT EACH CODE STORED IN THE PERMANENT STORAGE MEANS IN A PREDETERMINED SUCCESSION, CIRCUIT CONTROL MEANS GOVERNED BY THE LINE AD-
References Cited (Backward Citations)
US2194352A
Cited
US2533326A
Cited
US2549071A
Cited
US2700728A
Cited
US2736880A
Cited
US2691152A
Cited
US2863991A
Cited
US2784391A
Cited
US2719962A
Cited
US2941068A
Cited
US2814031A
Cited
US3005092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |