US3301602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous mining and conveying system
Assignee: Union Carbide Corp
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Filing: 1964-02-27
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Granted: 1967-01-31
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Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 John W Heimaster
- 👤 Jr Edgar H Church
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:40
CPC Classifications
E; E21; E21C; E21C47/00; E21C47/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A CONTINUOUS MINING SYSTEM COMPRISING, IN COMBINATION, A SELF-PROPELLED VEHICLE ADAPTED TO RIDE ON A FLOOR OF A MINE, AN ATTACHED CONVEYOR TRAIN CONSISTING OF A PLURALITY OF STEERABLE CONVEYOR UNITS ADAPTED TO TRAVEL ON THE FLOOR OF SAID MINE, MEANS MOUNTED ON ONE END OF SAID VEHICLE FOR SUBSTANTIALLY CONTINUOUSLY DISINTEGRATING AND DISLODGING SELECTED STRATA MATERIAL, AND MEANS MOUNTED ON SAID VEHICLE FOR COLLECTING THE DISINTEGRATED AND DISLODGED STRATA MATERIAL AND TRANSPORTING IN TO THE FIRST UNIT OF SAID TRAIN, THE IMPROVEMENT COMPRISING A CUTTER BAR SLIDEABLY MOUNTED ON THE END OF SAID VEHICLE OPPOSITE TO SAID DISINTEGRATING AND DISLODGING MEANS FOR SIMULTANEOUSLY AND CONTINUOUSLY GENERATING A RELATIVELY SHALLOW AND NARROW GROOVE IN THE FLOOR OF SAID MINE ALONG THE APPROXIMATE LINE OF TRAVEL OF SAID VEHICLE AND OF SUFFICIENT WIDTH AND DEPTH TO RECEIVE A MEANS FOR STEERING SAID CONVEYOR UNITS IN RESPONSE TO THE DIRECTION OF SAID GROOVE.
Claim 2
Dependent Claim
152 words
IN A CONTINUOUS MINING SYSTEM COMPRISING, IN COMBINATION, A SELF-PROPELLED VEHICLE ADAPTED TO RIDE ON A FLOOR OF A MINE, AN ATTACHED CONVEYOR TRAIN CONSISTING OF A PLURALITY OF STEERABLE CONVEYOR UNITS ADAPTED TO TRAVEL ON THE FLOOR OF SAID MINE, MEANS MOUNTED ON ONE END OF SAID VEHICLE FOR SUBSTANTIALLY CONTINUOUSLY DISINTEGRATING AND DISLODGING SELECTED STRATA MATERIAL, AND MEANS MOUNTED ON SAID VEHICLE FOR COLLECTING THE DISINTEGRATED AND DISLODGED STRATA MATERIAL AND TRANSPORTING IN TO THE FIRST UNIT OF SAID TRAIN, THE IMPROVEMENT COMPRISING A CUTTER BAR SLIDEABLY MOUNTED ON THE END OF SAID VEHICLE OPPOSITE TO SAID DISINTEGRATING AND DISLODGING MEANS FOR SIMULTANEOUSLY AND CONTINUOUSLY GENERATING A RELATIVELY SHALLOW AND NARROW GROOVE IN THE FLOOR OF SAID MINE ALONG THE APPROXIMATE LINE OF TRAVEL OF SAID VEHICLE AND OF SUFFICIENT WIDTH AND DEPTH TO RECEIVE A MEANS FOR STEERING SAID CONVEYOR UNITS IN RESPONSE TO THE DIRECTION OF SAID GROOVE.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |