US3301334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill rig
Assignee: ODGERS DRILLING Inc
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Filing: 1964-06-25
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Granted: 1967-01-31
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Expires: 1984-06-25
Abstract
No abstract record available.
Inventors
- 👤 Ira D Odgers
- 👤 Marlowe A Nelson
- 👤 Walter W Svendsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:31
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/02; E21B15/00; E21B15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
IN A DRILL RIG, THE COMBINATION COMPRISING: (A) A FRAME, (B) AN ELONGATED MAST DISPOSED ON SAID FRAME, (C) FIRST RELEASABLE PIVOT MEANS DEFINING A FIRST AXIS AND ADAPTED TO SUPPORT SAID MAST ON SAID FRAME, (D) SECOND RELEASABLE PIVOT MEANS DEFINING A SECOND AXIS PARALLEL TO AND VERTICALLY DISPOSED IN RELATION TO SAID FIRST AXIS TO SUPPORT SAID MAST ON SAID FRAME, (E) MEANS TO PIVOTALLY MOVE SAID MAST ABOUT ONE OF SAID AXES WHEN THE PIVOT MEANS OF THE OTHER OF SAID AXES IS RELEASED, (F) A DRILL HEAD COMPRISING DRILL ROD CHUCKLING AND ROTATING MEANS MOUNTED ON SAID MAST FOR MOVEMENT THEREALONG, (G) SUPPORT MEANS FOR SAID DRILL HEAD, (1) SAID SUPPORT MEANS BEING ACTUATABLE TO SELECTIVELY MOVE SAID DRILL HEAD ALONG THE SAID MAST IN A DESIRED DIRECTION, (2) AND SAID SUPPORT MEANS BEING PIVOTABLE ABOUT A THIRD AXIS PARALLEL TO SAID FIRST AND SECOND AXES, (H) MEANS TO PIVOT SAID SUPPORT MEANS ABOUT SAID THIRD AXIS TO MOVE SAID DRILL ROD CHUCKING AND ROTATING MEANS TRANSVERSELY OF SAID MAST, (I) SAID DRILL HEAD BEING PIVOTABLE ABOUT A FOURTH AXIS, (J) AND HOIST MEANS MOUNTED ON SAID MAST AND PIVOTABLE THEREWITH.
Claim 2
Dependent Claim
195 words
IN A DRILL RIG, THE COMBINATION COMPRISING: (A) A FRAME, (B) AN ELONGATED MAST DISPOSED ON SAID FRAME, (C) FIRST RELEASABLE PIVOT MEANS DEFINING A FIRST AXIS AND ADAPTED TO SUPPORT SAID MAST ON SAID FRAME, (D) SECOND RELEASABLE PIVOT MEANS DEFINING A SECOND AXIS PARALLEL TO AND VERTICALLY DISPOSED IN RELATION TO SAID FIRST AXIS TO SUPPORT SAID MAST ON SAID FRAME, (E) MEANS TO PIVOTALLY MOVE SAID MAST ABOUT ONE OF SAID AXES WHEN THE PIVOT MEANS OF THE OTHER OF SAID AXES IS RELEASED, (F) A DRILL HEAD COMPRISING DRILL ROD CHUCKLING AND ROTATING MEANS MOUNTED ON SAID MAST FOR MOVEMENT THEREALONG, (G) SUPPORT MEANS FOR SAID DRILL HEAD, (1) SAID SUPPORT MEANS BEING ACTUATABLE TO SELECTIVELY MOVE SAID DRILL HEAD ALONG THE SAID MAST IN A DESIRED DIRECTION, (2) AND SAID SUPPORT MEANS BEING PIVOTABLE ABOUT A THIRD AXIS PARALLEL TO SAID FIRST AND SECOND AXES, (H) MEANS TO PIVOT SAID SUPPORT MEANS ABOUT SAID THIRD AXIS TO MOVE SAID DRILL ROD CHUCKING AND ROTATING MEANS TRANSVERSELY OF SAID MAST, (I) SAID DRILL HEAD BEING PIVOTABLE ABOUT A FOURTH AXIS, (J) AND HOIST MEANS MOUNTED ON SAID MAST AND PIVOTABLE THEREWITH.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |