Patent US3210123A successfully refreshed from Google Patents.
US3210123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side swinging type mining machine having cutter drum and chain
Assignee: Individual
•
Filing: 1961-03-09
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Granted: 1965-10-05
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Expires: 1981-03-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank A Delli-Gatti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:58
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/24; F; F15; F15B; F15B11/00; F15B11/16; F15B11/17; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/20576; F15B2211/265; F15B2211/30; F15B2211/32; F15B2211/329; F15B2211/70; F15B2211/705; F15B2211/7058; F15B2211/71; F15B2211/7142; F15B2211/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CUTTING HEAD COMPRISING AN ELONGATED ARM SUPPORT HAVING A FORWARD END; A CUTTER DRUM MOUNTED ON SAID FORWARD END OF SAID ARM SUPPORT FOR ROTATION RELATIVE THERETO ABOUT A GENERALLY HORIZONTAL AXIS SUBSTANTIALLY NORMAL TO THE LONGITUDINAL AXIS OF SAID ARM SUPPORT; SAID CUTTER DRUM HAVING A FORWARD PORTION; CUTTER ELEMENTS MOUNTED SUBSTANTIALLY IN A CONTINUOUS LINE PERIPHERALLY AROUND SAID FORWARD PORTION OF SAID DRUM; SPROCKET TEETH MOUNTED CIRCUMFERENTIALLY AROUND SAID DRUM SPACED REARWARDLY FROM SAID FORWARDLY PORTION; MEANS CARRIED BY SAID ARM SUPPORT FOR ROTATING SAID CUTTER DRUM; CHAIN GUIDE MEANS MOUNTED ON SAID ARM SUPPORT FOR ROTATION RELATIVE THERETO ABOUT A GENERALLY HORIZONTAL AXIS; A CUTTER CHAIN CARRIED BY SAID CHAIN GUIDE MEANS AND SAID SPROCKET TEETH FOR MOVEMENT THROUGH AN ENDLESS ORBITAL PATH IN A SUBSTANTIALLY VERTICAL PLANE.
Claim 2
Dependent Claim
132 words
A CUTTING HEAD COMPRISING AN ELONGATED ARM SUPPORT HAVING A FORWARD END; A CUTTER DRUM MOUNTED ON SAID FORWARD END OF SAID ARM SUPPORT FOR ROTATION RELATIVE THERETO ABOUT A GENERALLY HORIZONTAL AXIS SUBSTANTIALLY NORMAL TO THE LONGITUDINAL AXIS OF SAID ARM SUPPORT; SAID CUTTER DRUM HAVING A FORWARD PORTION; CUTTER ELEMENTS MOUNTED SUBSTANTIALLY IN A CONTINUOUS LINE PERIPHERALLY AROUND SAID FORWARD PORTION OF SAID DRUM; SPROCKET TEETH MOUNTED CIRCUMFERENTIALLY AROUND SAID DRUM SPACED REARWARDLY FROM SAID FORWARDLY PORTION; MEANS CARRIED BY SAID ARM SUPPORT FOR ROTATING SAID CUTTER DRUM; CHAIN GUIDE MEANS MOUNTED ON SAID ARM SUPPORT FOR ROTATION RELATIVE THERETO ABOUT A GENERALLY HORIZONTAL AXIS; A CUTTER CHAIN CARRIED BY SAID CHAIN GUIDE MEANS AND SAID SPROCKET TEETH FOR MOVEMENT THROUGH AN ENDLESS ORBITAL PATH IN A SUBSTANTIALLY VERTICAL PLANE.
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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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |