Patent US3344272A successfully refreshed from Google Patents.
US3344272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat conducting device for detecting hot journal boxes
Assignee: —
•
Filing: —
•
Granted: 1967-09-26
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Expires: 1984-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:59
CPC Classifications
B; B61; B61K; B61K9/00; B61K9/04; B61K9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN COMBINATION, A RAILROAD TRACK, A RAILROAD CAR ON SAID TRACK HAVING A JOURNAL BOX AND A DIRECTION DEVICE MOUNTED ALONGSIDE OF SAID TRACK, SAID JOURNAL BOX INCLUDING A HOUSING HAVING A VERTICAL SURFACE AND A BEARING MEMBER MOUNTED INTERNALLY OF THE HOUSING, MEANS FOR ENHANCING THE DETECTION OF AN OVERHEATED CONDITION OF THE JOURNAL BOX BY THE DETECTION DEVICE COMPRISING, AN ELONGATED HEAT-CONDUCTIVE MEMBER MOUNTED BY THE HOUSING AND PROJECTING FROM SAID VERTICAL SURFACE THEREOF, SAID HEATCONDUCTIVE MEMBER HAVING AN EMISSIVE END SURFACE EXTERNAL TO THE HOUSING OF THE JOURNAL BOX, HEAT TRANSFER MEANS IN CONTACT WITH THE BEARING MEMBER AND THE HEAT-CONDUCTIVE MEMBER FOR ESTABLISHING A PATH OF LOW THERMAL IMPEDANCE FROM THE BEARING MEMBER TO EMISSIVE END SURFACE, AND RADIATION DIRECTING MEANS ENCLOSING SAID EMISSIVE END SURFACE AND HAVING AN APERTURE THROUGH WHICH RADIATION FROM THE END SURFACE EMERGES FOR RECEPTION BY THE DETECTION DEVICE.
Claim 2
Dependent Claim
148 words
IN COMBINATION, A RAILROAD TRACK, A RAILROAD CAR ON SAID TRACK HAVING A JOURNAL BOX AND A DIRECTION DEVICE MOUNTED ALONGSIDE OF SAID TRACK, SAID JOURNAL BOX INCLUDING A HOUSING HAVING A VERTICAL SURFACE AND A BEARING MEMBER MOUNTED INTERNALLY OF THE HOUSING, MEANS FOR ENHANCING THE DETECTION OF AN OVERHEATED CONDITION OF THE JOURNAL BOX BY THE DETECTION DEVICE COMPRISING, AN ELONGATED HEAT-CONDUCTIVE MEMBER MOUNTED BY THE HOUSING AND PROJECTING FROM SAID VERTICAL SURFACE THEREOF, SAID HEATCONDUCTIVE MEMBER HAVING AN EMISSIVE END SURFACE EXTERNAL TO THE HOUSING OF THE JOURNAL BOX, HEAT TRANSFER MEANS IN CONTACT WITH THE BEARING MEMBER AND THE HEAT-CONDUCTIVE MEMBER FOR ESTABLISHING A PATH OF LOW THERMAL IMPEDANCE FROM THE BEARING MEMBER TO EMISSIVE END SURFACE, AND RADIATION DIRECTING MEANS ENCLOSING SAID EMISSIVE END SURFACE AND HAVING AN APERTURE THROUGH WHICH RADIATION FROM THE END SURFACE EMERGES FOR RECEPTION BY THE DETECTION DEVICE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |