US3426379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railroad track cleaning apparatus
Assignee: Kershaw Manufacturing Co Inc
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Filing: 1966-09-06
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Granted: 1969-02-11
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Expires: 1986-09-06
Abstract
No abstract record available.
Inventors
- 👤 John D Holley
- 👤 Antonio H Martinez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:55
CPC Classifications
E; E01; E01B; E01B27/00; E01B27/04; E01B27/06; E01H; E01H8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
IN APPARATUS FOR REMOVING DEBRIS FROM A RAILROAD TRACK AND DEPOSITING IT IN A DEBRIS RECEIVING CAR ADAPTED FOR MOVEMENT ALONG THE RAILS OF A TRACK, (A) A VEHICLE FRAME ADAPTED FOR MOVEMENT ALONG THE RAILS OF A TRACK IN SPACED RELATION TO SAID DEBRIS RECEIVING CAR, (B) A DEBRIS CONVEYOR SUPPORTED AT ONE END BY SAID VEHICLE FRAME WITH THE OTHER END THEREOF DISPOSED TO MOVE TO SELECTED LONGITUDINAL POSITIONS OVER SAID DEBRIS RECEIVING CAR, AND BE SUPPORTED THEREBY, (C) MEANS TO TRANSFER DEBRIS FROM THE RAILROAD TRACK TO SAID ONE END OF THE DEBRIS FROM THE RAILROAD TRACK (D) A TRAVELING SUPPORT FRAME ADAPTED FOR CONNECTION TO SAID DEBRIS RECEIVING CAR FOR MOVEMENT ALONG THE RAILS OF A TRACK INTERMEDIATE SAID VEHICLE FRAME AND SAID DEBRIS RECEIVING CAR IN POSITION TO SUPPORT SAID DEBRIS CONVEYOR AT SELECTED ELEVATIONS RELATIVE TO SAID DEBRIS RECEIVING CAR TO POSITION SAID OTHER END OF THE DEBRIS CONVEYOR OVER SAID DEBRIS RECEIVING CAR, AND (D) MEANS HOLDING SAID TRAVELING SUPPORT FRAME AT SELECTED POSITIONS ALONG SAID TRACK RELATIVE TO SAID VEHICLE FRAME TO POSITION SAID OTHER END OF SAID DEBRIS CONVEYOR AT SAID SELECTED LONGITUDINAL POSITONS OVER SAID DEBRIS RECEIVING CAR.
Claim 2
Dependent Claim
198 words
IN APPARATUS FOR REMOVING DEBRIS FROM A RAILROAD TRACK AND DEPOSITING IT IN A DEBRIS RECEIVING CAR ADAPTED FOR MOVEMENT ALONG THE RAILS OF A TRACK, (A) A VEHICLE FRAME ADAPTED FOR MOVEMENT ALONG THE RAILS OF A TRACK IN SPACED RELATION TO SAID DEBRIS RECEIVING CAR, (B) A DEBRIS CONVEYOR SUPPORTED AT ONE END BY SAID VEHICLE FRAME WITH THE OTHER END THEREOF DISPOSED TO MOVE TO SELECTED LONGITUDINAL POSITIONS OVER SAID DEBRIS RECEIVING CAR, AND BE SUPPORTED THEREBY, (C) MEANS TO TRANSFER DEBRIS FROM THE RAILROAD TRACK TO SAID ONE END OF THE DEBRIS FROM THE RAILROAD TRACK (D) A TRAVELING SUPPORT FRAME ADAPTED FOR CONNECTION TO SAID DEBRIS RECEIVING CAR FOR MOVEMENT ALONG THE RAILS OF A TRACK INTERMEDIATE SAID VEHICLE FRAME AND SAID DEBRIS RECEIVING CAR IN POSITION TO SUPPORT SAID DEBRIS CONVEYOR AT SELECTED ELEVATIONS RELATIVE TO SAID DEBRIS RECEIVING CAR TO POSITION SAID OTHER END OF THE DEBRIS CONVEYOR OVER SAID DEBRIS RECEIVING CAR, AND (D) MEANS HOLDING SAID TRAVELING SUPPORT FRAME AT SELECTED POSITIONS ALONG SAID TRACK RELATIVE TO SAID VEHICLE FRAME TO POSITION SAID OTHER END OF SAID DEBRIS CONVEYOR AT SAID SELECTED LONGITUDINAL POSITONS OVER SAID DEBRIS RECEIVING CAR.
References Cited (Backward Citations)
US2505501A
Cited
GB885022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |