US3226540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot box detector alarm circuit
Assignee: SERVO ELECTRONIC SWITCH AND SIGNAL CO
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Filing: 1961-10-24
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Granted: 1965-12-28
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Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 Priest Joseph R De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:35
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/16; B; B61; B61K; B61K9/00; B61K9/04; B61K9/06; B61L; B61L1/00; B61L1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN COMBINATION WITH A CIRCUIT FOR DETECTING HOT JOURNAL BOXES ON A TRAIN; MEANS RESPONSIVE TO SAID DETECTION FOR COUNTING TRAIN AXLES BETWEEN THE HOT JOURNAL BOX AND THE END OF THE TRAIN; A VOCAL OUTPUT MESSAGE GENERATOR FOR PRODUCING A PLURALITY OF VERBAL OUTPUT SIGNAL INCLUDING PREDETERMINED WORDS AND NUMBERS; OUTPUT MESSAGE SELECTION MEANS, COUPLED BETWEEN THE OUTPUT OF SAID VOCAL OUTPUT MESSAGE GENERATOR AND THE OUTPUT OF SAID AXLE COUNTER MEANS, FOR SELECTING A TIME SEQUENCE OF OUTPUT WORDS AND NUMBER SIGNIFYING THE PRESENCE OF ABNORMALLY HOT JOURNAL BOX AND THE TOTAL NUMBER OF AXLES BETWEEN SAID ABNORMALLY HOT JOURNAL BOX AND ONE END OF SAID TRAIN.
Claim 2
Dependent Claim
109 words
IN COMBINATION WITH A CIRCUIT FOR DETECTING HOT JOURNAL BOXES ON A TRAIN; MEANS RESPONSIVE TO SAID DETECTION FOR COUNTING TRAIN AXLES BETWEEN THE HOT JOURNAL BOX AND THE END OF THE TRAIN; A VOCAL OUTPUT MESSAGE GENERATOR FOR PRODUCING A PLURALITY OF VERBAL OUTPUT SIGNAL INCLUDING PREDETERMINED WORDS AND NUMBERS; OUTPUT MESSAGE SELECTION MEANS, COUPLED BETWEEN THE OUTPUT OF SAID VOCAL OUTPUT MESSAGE GENERATOR AND THE OUTPUT OF SAID AXLE COUNTER MEANS, FOR SELECTING A TIME SEQUENCE OF OUTPUT WORDS AND NUMBER SIGNIFYING THE PRESENCE OF ABNORMALLY HOT JOURNAL BOX AND THE TOTAL NUMBER OF AXLES BETWEEN SAID ABNORMALLY HOT JOURNAL BOX AND ONE END OF SAID TRAIN.
References Cited (Backward Citations)
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |