US3205014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary tunneling machine having off-set head
Assignee: TERRA FORM FOOTING CO
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Filing: 1960-12-27
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Granted: 1965-09-07
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Loren F Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:26
CPC Classifications
E; E21; E21D; E21D9/00; E21D9/10; E21D9/11; E21D9/112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A TUNNELING MACHINE COMPRISING A LONGITUDINALLY EXTENDING MAIN FRAME, SUPPORTING MEANS SLIDABLY ENGAGED WITH SAID FRAME, FRAME CROWDING MEANS OPERATIVELY CONNECTED TO SAID FRAME AND SAID SUPPORTING MEANS FOR SLIDING THE SAME RELATIVE TO ONE ANOTHER, AN EXCAVATING WHEEL OF A DIAMETER LARGER THAN THE LATERAL DIMENSIONS OF SAID FRAME ROTATABLY MOUNTED ON SAID FRAME AT ONE END THEREOF AND MEANS ON SAID FRAME ENGAGING SID WHEEL FOR ROTATING SAID WHEEL RELATIVE TO SAID FRAME, THE AXIS OF ROTATION OF SAID WHEEL BEING DISPOSED PARALLEL TO BUT OFFSET FROM THE LONGITUDINAL AXIS OF SAID FRAME TO MITIGATE ROTATION
Claim 2
Dependent Claim
98 words
A TUNNELING MACHINE COMPRISING A LONGITUDINALLY EXTENDING MAIN FRAME, SUPPORTING MEANS SLIDABLY ENGAGED WITH SAID FRAME, FRAME CROWDING MEANS OPERATIVELY CONNECTED TO SAID FRAME AND SAID SUPPORTING MEANS FOR SLIDING THE SAME RELATIVE TO ONE ANOTHER, AN EXCAVATING WHEEL OF A DIAMETER LARGER THAN THE LATERAL DIMENSIONS OF SAID FRAME ROTATABLY MOUNTED ON SAID FRAME AT ONE END THEREOF AND MEANS ON SAID FRAME ENGAGING SID WHEEL FOR ROTATING SAID WHEEL RELATIVE TO SAID FRAME, THE AXIS OF ROTATION OF SAID WHEEL BEING DISPOSED PARALLEL TO BUT OFFSET FROM THE LONGITUDINAL AXIS OF SAID FRAME TO MITIGATE ROTATION
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |