US3288536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mining machine
Assignee: GALIS Manufacturing CO
•
Filing: 1963-10-25
•
Granted: 1966-11-29
•
Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Alex J Galis
- 👤 Stephen A Muldovan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:55
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A CONTINUOUS MINING MACHINE COMPRISING, A BODY PORTION HAVING A FRONT END PORTION, CUTTER HEAD SUPPORT MEANS EXTENDING FORWARDLY FROM SAID BODY FRONT END PORTION, A CUTTER HEAD HAVING A BODY PORTION AND OPPOSITE END PORTIONS, SAID CUTTER HEAD SECURED ADJACENT SAID OPPOSITE END PORTIONS TO SAID CUTTER HEAD SUPPORT MEANS, SAID CUTTER HEAD INCLUDING CUTTER SHAFT SUPPORT MEANS, A PLURALITY OF CUTTER SHAFTS CARRIED BY SAID CUTTER SHAFT SUPPORT MEANS IN PARALLEL SPACED RELATION TO EACH OTHER, SAID CUTTER SHAFTS ARRANGED IN SUBSTANTIALLY PARALLEL RELATION TO SAID BODY FRONT END PORTION, SAID CUTTER SHAFTS HAVING A PLURALITY OF CUTTER BITS EXTENDING RADIALLY THEREFROM, DRIVE MEANS TO ROTATE SAID CUTTER HEAD IN SAID CUTTER HEAD SUPPORT MEANS AND TO ROTATE SAID CUTTER SHAFTS IN SAID CUTTER SHAFT SUPPORT MEANS, AND OTHER CUTTER MEANS POSITIONED ADJACENT BOTH ENDS OF SAID CUTTER HEAD AND ADJACENT SAID CUTTER HEAD SUPPORT MEANS, SAID OTHER CUTTER MEANS ARRANGED TO CUT A PAIR OF VERTICAL KERFS IN THE MINE FACE, THE DISTANCE BETWEEN SAID VERTICAL KERFS BEING GREATER THAN THE LATERAL DIMENSION OF SAID BODY PORTION.
Claim 2
Dependent Claim
180 words
A CONTINUOUS MINING MACHINE COMPRISING, A BODY PORTION HAVING A FRONT END PORTION, CUTTER HEAD SUPPORT MEANS EXTENDING FORWARDLY FROM SAID BODY FRONT END PORTION, A CUTTER HEAD HAVING A BODY PORTION AND OPPOSITE END PORTIONS, SAID CUTTER HEAD SECURED ADJACENT SAID OPPOSITE END PORTIONS TO SAID CUTTER HEAD SUPPORT MEANS, SAID CUTTER HEAD INCLUDING CUTTER SHAFT SUPPORT MEANS, A PLURALITY OF CUTTER SHAFTS CARRIED BY SAID CUTTER SHAFT SUPPORT MEANS IN PARALLEL SPACED RELATION TO EACH OTHER, SAID CUTTER SHAFTS ARRANGED IN SUBSTANTIALLY PARALLEL RELATION TO SAID BODY FRONT END PORTION, SAID CUTTER SHAFTS HAVING A PLURALITY OF CUTTER BITS EXTENDING RADIALLY THEREFROM, DRIVE MEANS TO ROTATE SAID CUTTER HEAD IN SAID CUTTER HEAD SUPPORT MEANS AND TO ROTATE SAID CUTTER SHAFTS IN SAID CUTTER SHAFT SUPPORT MEANS, AND OTHER CUTTER MEANS POSITIONED ADJACENT BOTH ENDS OF SAID CUTTER HEAD AND ADJACENT SAID CUTTER HEAD SUPPORT MEANS, SAID OTHER CUTTER MEANS ARRANGED TO CUT A PAIR OF VERTICAL KERFS IN THE MINE FACE, THE DISTANCE BETWEEN SAID VERTICAL KERFS BEING GREATER THAN THE LATERAL DIMENSION OF SAID BODY PORTION.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |