US3269776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mining apparatus
Assignee: Jeffrey Galion Manufacturing Co
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Filing: 1961-12-20
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Granted: 1966-08-30
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Expires: 1981-12-20
Abstract
No abstract record available.
Inventors
- 👤 Fay E Munger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:53
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
MINING APPARATUS COMPRISING A MAIN FRAME, SAID MAIN FRAME BEING FORMED WITH A BED PLATE HAVING PORTIONS THEREOF EXTENDING FORWARDLY AND LATERALLY TO THE SIDES OF SAID MINING APPARATUS TO FORM A LOADING AREA ON THE BED PLATE, SAID BED PLATE BEING DISPOSED AT THE BOTTOM OF SAID MAIN FRAME TO BE PLACED ON A GROUND SURFACE FOR LOADING MINED MATERIAL FROM THE GROUND SURFACE ONTO SAID LOADING AREA OF THE BED PLATE, A MINING MECHANISM FOR CUTTING AND BREAKING MATERIAL OUT OF A MINE SEAM, SAID MINING MECHANISM EXTENDING FORWARDLY OF SAID MAIN FRAME FOR MOVEMENT OF THE MINING MECHANISM THROUGH THE MINE SEAM, MEANS FOR SUPPORTING SAID MINING MECHANISM ON THE MAIN FRAME FOR OPERATION, SAID SUPPORTING MEANS INCLUDING RELATIVELY ADJUSTABLE ELEMENTS FOR ADJUSTMENT OF THE POSITION OF SAID MINING MECHANISM, AND POWER MEANS FOR ADJUSTING THE POSITION OF SAID MINING MECHANISM, SAID POWER MEANS BEING DISPOSED BETWEEN THE BED PLATE AND THE SUPPORTING MEANS FOR SAID MINING MECHANISM, AND MEANS FOR CONNECTING SAID POWER MEANS TO SAID SUPPORTING MEANS FOR SAID MINING MECHANISM AND TO A PART OF SAID BED PLATE THAT IS SPACED FROM SAID LOADING AREA THEREOF AND IS DISPOSED AT A SIDE OF THE MINING APPARATUS.
Claim 2
Dependent Claim
202 words
MINING APPARATUS COMPRISING A MAIN FRAME, SAID MAIN FRAME BEING FORMED WITH A BED PLATE HAVING PORTIONS THEREOF EXTENDING FORWARDLY AND LATERALLY TO THE SIDES OF SAID MINING APPARATUS TO FORM A LOADING AREA ON THE BED PLATE, SAID BED PLATE BEING DISPOSED AT THE BOTTOM OF SAID MAIN FRAME TO BE PLACED ON A GROUND SURFACE FOR LOADING MINED MATERIAL FROM THE GROUND SURFACE ONTO SAID LOADING AREA OF THE BED PLATE, A MINING MECHANISM FOR CUTTING AND BREAKING MATERIAL OUT OF A MINE SEAM, SAID MINING MECHANISM EXTENDING FORWARDLY OF SAID MAIN FRAME FOR MOVEMENT OF THE MINING MECHANISM THROUGH THE MINE SEAM, MEANS FOR SUPPORTING SAID MINING MECHANISM ON THE MAIN FRAME FOR OPERATION, SAID SUPPORTING MEANS INCLUDING RELATIVELY ADJUSTABLE ELEMENTS FOR ADJUSTMENT OF THE POSITION OF SAID MINING MECHANISM, AND POWER MEANS FOR ADJUSTING THE POSITION OF SAID MINING MECHANISM, SAID POWER MEANS BEING DISPOSED BETWEEN THE BED PLATE AND THE SUPPORTING MEANS FOR SAID MINING MECHANISM, AND MEANS FOR CONNECTING SAID POWER MEANS TO SAID SUPPORTING MEANS FOR SAID MINING MECHANISM AND TO A PART OF SAID BED PLATE THAT IS SPACED FROM SAID LOADING AREA THEREOF AND IS DISPOSED AT A SIDE OF THE MINING APPARATUS.
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |