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US3088718A Expired / Lapsed US ⏱️ 0.0 years remaining

Continuous mining machine

Assignee: Individual
•
Filing: 1960-06-29
•
Granted: 1963-05-07
•
Expires: 1980-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Edward C Lilly

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 09:22
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)

US1336440A Cited
US1790789A Cited
US1143897A Cited
US1700294A Cited
US1700922A Cited
US1851037A Cited
US2788200A Cited

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

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