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US3305273A Expired / Lapsed US ⏱️ 0.0 years remaining

Mining apparatus supporting and driving construction

Assignee: Jeffrey Galion Manufacturing Co
•
Filing: 1964-04-24
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Granted: 1967-02-21
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Expires: 1984-04-24
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Abstract

No abstract record available.

Inventors

  • 👤 Kilbourne James

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 19:32
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/24

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 242 words
MINING APPARATUS INCLUDING A ROTARY CUTTING AND BREAKING MEANS ADAPTED TO BE ADVANCED INTO THE MATERIAL OF A MINE FACE TO REMOVE SAID MATERIAL THEREFROM, SAID ROTARY CUTTING AND BREAKING MEANS BEING DISPOSED ON A TRANSVERSE AXIS RELATIVELY TO THE DIRECTION OF ADVANCE THEREOF INTO SAID MATERIAL, A HOUSING FOR SUPPORTING SAID ROTARY CUTTING AND BREAKING MEANS FOR ROTATION AROUND SAID TRANSVERSE AXIS, SAID SUPPORT HOUSING EXTENDING FORWARDLY TO SAID TRANSVERSE AXIS, MEANS FOR DRIVING SAID ROTARY CUTTING AND BREAKING MEANS, GEAR MEANS CONNECTING SAID DRIVING MEANS TO SAID ROTARY CUTTING AND BREAKING MEANS, SAID GEAR MEANS BEING DISPOSED WITHIN SAID HOUSING AND COMPRISING A FIRST GEAR DISPOSED ON SAID TRANSVERSE AXIS AND A SECOND GEAR DISPOSED ON AN AXIS THAT IS PARALLEL TO SAID TRANSVERSE AXIS AND DRIVINGLY CONNECTED TO SAID FIRST GEAR TO DRIVE THE LATTER, PORTIONS OF SAID ROTARY CUTTING AND BREAKING MEANS BEING SPACED FROM EACH OTHER ALONG SAID TRANSVERSE AXIS, SAID HOUSING AND SAID FIRST GEAR BEING DISPOSED BETWEEN SAID SPACED PORTIONS OF SAID ROTARY CUTTING AND BREAKING MEANS AND SAID SECOND GEAR BEING DISPOSED IN SAID HOUSING IN LONGITUDINAL ALIGNMENT WITH SAID FIRST GEAR, AUXILIARY CUTTING AND BREAKING MEANS DISPOSED BETWEEN SAID SPACED PORTIONS OF SAID ROTARY CUTTING AND BREAKING MEANS AND EXTENDING AROUND SAID HOUSING TO OPERATE OVER SAID HOUSING, AND DRIVING CONNECTIONS OF SAID ROTARY CUTTING AND BREAKING MEANS TO SAID AUXILIARY CUTTING AND BREAKING MEANS TO DRIVE THE LATTER ABOUT SAID TRANSVERSE AXIS.
Claim 2
Dependent Claim 242 words
MINING APPARATUS INCLUDING A ROTARY CUTTING AND BREAKING MEANS ADAPTED TO BE ADVANCED INTO THE MATERIAL OF A MINE FACE TO REMOVE SAID MATERIAL THEREFROM, SAID ROTARY CUTTING AND BREAKING MEANS BEING DISPOSED ON A TRANSVERSE AXIS RELATIVELY TO THE DIRECTION OF ADVANCE THEREOF INTO SAID MATERIAL, A HOUSING FOR SUPPORTING SAID ROTARY CUTTING AND BREAKING MEANS FOR ROTATION AROUND SAID TRANSVERSE AXIS, SAID SUPPORT HOUSING EXTENDING FORWARDLY TO SAID TRANSVERSE AXIS, MEANS FOR DRIVING SAID ROTARY CUTTING AND BREAKING MEANS, GEAR MEANS CONNECTING SAID DRIVING MEANS TO SAID ROTARY CUTTING AND BREAKING MEANS, SAID GEAR MEANS BEING DISPOSED WITHIN SAID HOUSING AND COMPRISING A FIRST GEAR DISPOSED ON SAID TRANSVERSE AXIS AND A SECOND GEAR DISPOSED ON AN AXIS THAT IS PARALLEL TO SAID TRANSVERSE AXIS AND DRIVINGLY CONNECTED TO SAID FIRST GEAR TO DRIVE THE LATTER, PORTIONS OF SAID ROTARY CUTTING AND BREAKING MEANS BEING SPACED FROM EACH OTHER ALONG SAID TRANSVERSE AXIS, SAID HOUSING AND SAID FIRST GEAR BEING DISPOSED BETWEEN SAID SPACED PORTIONS OF SAID ROTARY CUTTING AND BREAKING MEANS AND SAID SECOND GEAR BEING DISPOSED IN SAID HOUSING IN LONGITUDINAL ALIGNMENT WITH SAID FIRST GEAR, AUXILIARY CUTTING AND BREAKING MEANS DISPOSED BETWEEN SAID SPACED PORTIONS OF SAID ROTARY CUTTING AND BREAKING MEANS AND EXTENDING AROUND SAID HOUSING TO OPERATE OVER SAID HOUSING, AND DRIVING CONNECTIONS OF SAID ROTARY CUTTING AND BREAKING MEANS TO SAID AUXILIARY CUTTING AND BREAKING MEANS TO DRIVE THE LATTER ABOUT SAID TRANSVERSE AXIS.

References Cited (Backward Citations)

US624400A Cited
US3062518A Cited
US3088718A Cited
US3141703A Cited
US3157438A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

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