Patent US4783526A successfully refreshed from Google Patents.
Patent US3088718A successfully refreshed from Google Patents.
US3088718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous mining machine
Assignee: Individual
•
Filing: 1960-06-29
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Granted: 1963-05-07
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Expires: 1980-06-29
Abstract
No abstract record available.
Inventors
- 👤 Edward C Lilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:59
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A CONTINUOUS MINER COMPRISING A FRAME MEMBER MOUNTED FOR MOVEMENT INTO A BODY OF MINERAL BEING MINED, A DISINTEGRATING HEAD ON SAID FRAME MEMBER COMPRISING AN ELONGATED ROTATABLE SHAFT HAVING A FIRST PAIR OF CUTTER SECTIONS THEREON POSITIONED CLOSELY ADJACENT THE OPPOSITE ENDS OF SAID SHAFT AND SHAPED TO DIRECT MINED MATERIAL BOTH INWARDLY AND REARWARDLY OF THE ENDS OF SAID SHAFT AND TOWARD SAID FRAME MEMBER DURING ROTATION OF SAID SHAFT, SAID ROTATABLE SHAFT ALSO HAVING A SECOND PAIR OF CUTTER SECTIONS POSITIONED AT A CENTRAL PORTION OF SAID SHAFT AND SHAPED TO DIRECT MINED MATERIAL REARWARDLY OF SAID CENTRAL PORTION, WHEREBY CONTINUOUS ROTATION OF SAID DISINTEGRATING HEAD INTO SAID BODY OF MINERAL EFFECTS A DISINTEGRATION OF SAID MINERAL AND REARWARD FLOW OF SAID MINERAL TOWARD AND OVER A PORTION OF SAID FRAME MEMBER WITH SUBSTANTIALLY NO SPILLAGE TO THE SIDES OF SAID HEAD, A FIRST MOVABLE CONVEYOR ON SAID FRAME MEMBER, MOTOR MEANS DRIVING SAID DISINTEGRATING HEAD, SAID MOTOR MEANS ALSO DRIVING ELONGATED CUTTER CHAINS DISPOSED ALONG THE REARWARD PATH OF FLOW OF SAID MATERIAL FROM SAID DISINTEGRATING HEAD TOWARD SAID FIRST CONVEYOR, SAID FIRST AND SECOND PAIRS OF CUTTER SECTIONS BEING SHAPED AND POSITIONED TO WORK SAID MINED MATERIAL INTO BOTH SIDES
Claim 2
Dependent Claim
205 words
A CONTINUOUS MINER COMPRISING A FRAME MEMBER MOUNTED FOR MOVEMENT INTO A BODY OF MINERAL BEING MINED, A DISINTEGRATING HEAD ON SAID FRAME MEMBER COMPRISING AN ELONGATED ROTATABLE SHAFT HAVING A FIRST PAIR OF CUTTER SECTIONS THEREON POSITIONED CLOSELY ADJACENT THE OPPOSITE ENDS OF SAID SHAFT AND SHAPED TO DIRECT MINED MATERIAL BOTH INWARDLY AND REARWARDLY OF THE ENDS OF SAID SHAFT AND TOWARD SAID FRAME MEMBER DURING ROTATION OF SAID SHAFT, SAID ROTATABLE SHAFT ALSO HAVING A SECOND PAIR OF CUTTER SECTIONS POSITIONED AT A CENTRAL PORTION OF SAID SHAFT AND SHAPED TO DIRECT MINED MATERIAL REARWARDLY OF SAID CENTRAL PORTION, WHEREBY CONTINUOUS ROTATION OF SAID DISINTEGRATING HEAD INTO SAID BODY OF MINERAL EFFECTS A DISINTEGRATION OF SAID MINERAL AND REARWARD FLOW OF SAID MINERAL TOWARD AND OVER A PORTION OF SAID FRAME MEMBER WITH SUBSTANTIALLY NO SPILLAGE TO THE SIDES OF SAID HEAD, A FIRST MOVABLE CONVEYOR ON SAID FRAME MEMBER, MOTOR MEANS DRIVING SAID DISINTEGRATING HEAD, SAID MOTOR MEANS ALSO DRIVING ELONGATED CUTTER CHAINS DISPOSED ALONG THE REARWARD PATH OF FLOW OF SAID MATERIAL FROM SAID DISINTEGRATING HEAD TOWARD SAID FIRST CONVEYOR, SAID FIRST AND SECOND PAIRS OF CUTTER SECTIONS BEING SHAPED AND POSITIONED TO WORK SAID MINED MATERIAL INTO BOTH SIDES
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |