Patent US3262237A successfully refreshed from Google Patents.
US3262237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil well drilling apparatus with high floor in mast and gin pole
Assignee: Lee C Moore Corp
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Filing: 1964-02-12
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Granted: 1966-07-26
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Jenkins Cecil
- 👤 Joseph R Woolslayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:06
CPC Classifications
E; E21; E21B; E21B15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
OIL WELL DRILLING APPARATUS COMPRISING A BASE HAVING FRONT AND REAR ENDS, A GIN POLE MOUNTED ON THE BASE HAVING UPWARLY TAPERED SIDES, AN UPRIGHT MAST DISPOSED ABOVE THE BASE IN FRONT OF THE GIN POLE, MEANS PIVOTALLY SUPPORTING THE LOWER END OF THE MAST ON THE BASE SO THAT THE MAST CAN BE SWUNG FORWARD AND DOWN TO RECLINING POSITION IN FRONT OF THE GIN POLE, MEANS DETACHABLY FASTENING THE UPRIGHT MAST TO THE GIN POLE, A FLOOR MOUNTED IN AND SUPPORTED BY THE GIN POLE A CONSIDERABLE DISTANCE ABOVE SAID BASE AND HAVING A MACHINERY-RECEIVING AREA BETWEEN SAID GIN POLE SIDES, AND A FLOOR MOUNTED IN AND SUPPORTED BY THE MAST IN FRONT OF SAID GIN POLE FLOOR.
Claim 2
Dependent Claim
120 words
OIL WELL DRILLING APPARATUS COMPRISING A BASE HAVING FRONT AND REAR ENDS, A GIN POLE MOUNTED ON THE BASE HAVING UPWARLY TAPERED SIDES, AN UPRIGHT MAST DISPOSED ABOVE THE BASE IN FRONT OF THE GIN POLE, MEANS PIVOTALLY SUPPORTING THE LOWER END OF THE MAST ON THE BASE SO THAT THE MAST CAN BE SWUNG FORWARD AND DOWN TO RECLINING POSITION IN FRONT OF THE GIN POLE, MEANS DETACHABLY FASTENING THE UPRIGHT MAST TO THE GIN POLE, A FLOOR MOUNTED IN AND SUPPORTED BY THE GIN POLE A CONSIDERABLE DISTANCE ABOVE SAID BASE AND HAVING A MACHINERY-RECEIVING AREA BETWEEN SAID GIN POLE SIDES, AND A FLOOR MOUNTED IN AND SUPPORTED BY THE MAST IN FRONT OF SAID GIN POLE FLOOR.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |