Patent US3350130A successfully refreshed from Google Patents.
US3350130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well bore running-in and retrieving tool
Assignee: Ventura Tool Co
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Filing: 1965-10-23
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Granted: 1967-10-31
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Ahlstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:13
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/035; E21B17/00; E21B17/10; E21B17/1007; E21B7/00; E21B7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN APPARATUS FOR RETRIEVING OR RUNNING-IN A WELL BORE DEVICE: A SUPPORTING STRUCTURE HAVING CONNECTING MEANS THEREON FOR CONNECTING SAID STRUCTURE TO A RUNNING STRING; EXPANSIBLE AND CONTRACTABLE LATCH MEANS ON SAID SUPPORTING STRUCTURE ADAPTED FOR COUPLING TO THE WELL BORE DEVICE UPON LOWERING OF SAID SUPPORTING STRUCTURE ON THE RUNNING STRING TO THE WELL BORE DEVICE; AND MEANS DISPOSED ON SAID SUPPORTING STRUCTURE DURING LOWERING OF SAID SUPPORTING STRUCTURE ON THE RUNNING STRING AND ENGAGEABLE WITH SAID LATCH MEANS TO RETRACT AND RELEASE SAID LATCH MEANS FROM THE WELL BORE DEVICE, SAID RETRACTING AND RELEASING MEANS BEING ROTATABLY MOUNTED ON SAID SUPPORTING STRUCTURE AND ROTATED THEREON TO RETRACT SAID LATCH MEANS FROM THE WELL BORE DEVICE.
Claim 2
Dependent Claim
117 words
IN APPARATUS FOR RETRIEVING OR RUNNING-IN A WELL BORE DEVICE: A SUPPORTING STRUCTURE HAVING CONNECTING MEANS THEREON FOR CONNECTING SAID STRUCTURE TO A RUNNING STRING; EXPANSIBLE AND CONTRACTABLE LATCH MEANS ON SAID SUPPORTING STRUCTURE ADAPTED FOR COUPLING TO THE WELL BORE DEVICE UPON LOWERING OF SAID SUPPORTING STRUCTURE ON THE RUNNING STRING TO THE WELL BORE DEVICE; AND MEANS DISPOSED ON SAID SUPPORTING STRUCTURE DURING LOWERING OF SAID SUPPORTING STRUCTURE ON THE RUNNING STRING AND ENGAGEABLE WITH SAID LATCH MEANS TO RETRACT AND RELEASE SAID LATCH MEANS FROM THE WELL BORE DEVICE, SAID RETRACTING AND RELEASING MEANS BEING ROTATABLY MOUNTED ON SAID SUPPORTING STRUCTURE AND ROTATED THEREON TO RETRACT SAID LATCH MEANS FROM THE WELL BORE DEVICE.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |