US3201091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable oil well drilling apparatus
Assignee: Lee C Moore Corp
•
Filing: 1963-10-04
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Granted: 1965-08-17
•
Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Homer J Woolslayer
- 👤 Jenkins Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:00
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/02; E21B15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
PORTABLE OIL WELL DRILLING APPARATUS COMPRISING A BASE, A GIN POLE EXTENDING ABOVE SAID BASE, AN UPRIGHT MAST MOUNTED AT ONE SIDE OF THE GIN POLE, MEANS DETACHABLY CONNECTING THE UPPER END OF THE GIN POLE TO THE MAST TO HOLD THE MAST UPRIGHT, AND ELEVATABLE DRAWWORKS UNIT NORMALLY RESTING ON SAID BASE AT THE OPPOSITE SIDE OF THE GIN POLE, A CROWN BLOCK AT THE TOP OF THE MAST, A TRAVELING BLOCK INSIDE THE MAST, A LINE SUPPORTING TEH TRAVELING BLOCK FROM THE CROWN BLOCK AND EXTENDING FROM THE LATTER DOWN TO THE DRAWWORKS, A SLING CONNECTED TO THE TRAVELING BLOCK, MEANS CONNECTING THE SLING TO SAID UNIT, WHEREBY WHEN THE DRAWWORKS IS OPERATED TO RAISE THE TRAVELING BLOCK IN THE MASE TO PULL THE SLING SAID LINE AND SLING WILL LIFT THE DRAWWORKS UNIT, MEANS FOR GUIDING THE UPWARDLY MOVING UNIT TO A PREDETERMINED ELEVATED POSITION, AND DETACHABLE MEANS FOR HOLDING THE UNIT IN SAID POSITION.
Claim 2
Dependent Claim
158 words
PORTABLE OIL WELL DRILLING APPARATUS COMPRISING A BASE, A GIN POLE EXTENDING ABOVE SAID BASE, AN UPRIGHT MAST MOUNTED AT ONE SIDE OF THE GIN POLE, MEANS DETACHABLY CONNECTING THE UPPER END OF THE GIN POLE TO THE MAST TO HOLD THE MAST UPRIGHT, AND ELEVATABLE DRAWWORKS UNIT NORMALLY RESTING ON SAID BASE AT THE OPPOSITE SIDE OF THE GIN POLE, A CROWN BLOCK AT THE TOP OF THE MAST, A TRAVELING BLOCK INSIDE THE MAST, A LINE SUPPORTING TEH TRAVELING BLOCK FROM THE CROWN BLOCK AND EXTENDING FROM THE LATTER DOWN TO THE DRAWWORKS, A SLING CONNECTED TO THE TRAVELING BLOCK, MEANS CONNECTING THE SLING TO SAID UNIT, WHEREBY WHEN THE DRAWWORKS IS OPERATED TO RAISE THE TRAVELING BLOCK IN THE MASE TO PULL THE SLING SAID LINE AND SLING WILL LIFT THE DRAWWORKS UNIT, MEANS FOR GUIDING THE UPWARDLY MOVING UNIT TO A PREDETERMINED ELEVATED POSITION, AND DETACHABLE MEANS FOR HOLDING THE UNIT IN SAID POSITION.
References Cited (Backward Citations)
US3050159A
Cited
US3136394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |