US3355041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Haulage train for underground materials
Assignee: Machinery Center Inc
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Filing: 1965-08-31
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Granted: 1967-11-28
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Expires: 1985-08-31
Abstract
No abstract record available.
Inventors
- 👤 Paul C O'leary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:11
CPC Classifications
B; B61; B61D; B61D11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A MATERIAL-CARRYING CAR FOR USE WITH A TRAIN HAVING A MATERIAL-LOADING CAR, A SCAPER, AND MEANS TO MOVE MATERIAL FROM SAID MATERIAL-LOADING CAR THROUGHOUT THE LENGTH OF THE TRAIN, SAID MATERIAL-CARRYING CAR COMPRISING A FRAME; WHEEL SUPPORTING THE FRAME FOR MOVEMENT ON TRACKS; AT LEAST ONE OPEN-TOPPED TUB CARRIED BY SAID FRAME, SAID TUB BEING ADAPTED TO BE LIFTED VERTICALLY THEREFROM AND TO BE REPOSITIONED THEREON; SLIDE MEANS EXTENDING ACROSS THE OPEN TOP OF THE TUB, SAID SLIDE MEANS COMPRISING TWO PARALLEL, SPACED RAILS, DIMENSIONED SO THAT MATERIAL DROPPED THEREPAST WILL FALL INTO THE TUB, THE RAILS EXTENDING BEYOND THE OPEN TOP OF THE TUB AND ONE OF THE RAILS EXTENDING BEYOND THE CORRESPONDING END OF THE OTHER RAIL AT EACH OF THE OPPOSITE ENDS OF THE TUB BEYOND WHICH THE RAILS EXTEND.
Claim 2
Dependent Claim
133 words
A MATERIAL-CARRYING CAR FOR USE WITH A TRAIN HAVING A MATERIAL-LOADING CAR, A SCAPER, AND MEANS TO MOVE MATERIAL FROM SAID MATERIAL-LOADING CAR THROUGHOUT THE LENGTH OF THE TRAIN, SAID MATERIAL-CARRYING CAR COMPRISING A FRAME; WHEEL SUPPORTING THE FRAME FOR MOVEMENT ON TRACKS; AT LEAST ONE OPEN-TOPPED TUB CARRIED BY SAID FRAME, SAID TUB BEING ADAPTED TO BE LIFTED VERTICALLY THEREFROM AND TO BE REPOSITIONED THEREON; SLIDE MEANS EXTENDING ACROSS THE OPEN TOP OF THE TUB, SAID SLIDE MEANS COMPRISING TWO PARALLEL, SPACED RAILS, DIMENSIONED SO THAT MATERIAL DROPPED THEREPAST WILL FALL INTO THE TUB, THE RAILS EXTENDING BEYOND THE OPEN TOP OF THE TUB AND ONE OF THE RAILS EXTENDING BEYOND THE CORRESPONDING END OF THE OTHER RAIL AT EACH OF THE OPPOSITE ENDS OF THE TUB BEYOND WHICH THE RAILS EXTEND.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |