Patent US969910A successfully refreshed from Google Patents.
Patent US3097706A successfully refreshed from Google Patents.
US3097706A
Expired / Lapsed
US
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Retrievable well bore apparatus
Assignee: Kammerer Fr GmbH
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Filing: 1959-10-06
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Granted: 1963-07-16
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Expires: 1979-10-06
Abstract
No abstract record available.
Inventors
- 👤 Archer W Kammerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:24
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/26; E21B10/32; E21B10/34; E21B10/345; E21B10/64; E21B10/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN COMBINATION: A STRING OF PIPE ADAPTED TO BE LOWERED WITHIN A WELL BORE; A COUPLING DEVICE MOVABLE LONGITUDIANALLY THROUGH SAID PIPE INCLUDING AN INITIALLY RETRACTED COUPLING MEMBER AND FLUID CONDUCTING MEANS COMMUNICATING WITH THE PIPE TO RECEIVE FLUID UNDER PRESSURE THEREFROM: A WELL TOOL SECURED TO SAID COUPLING DEVICE AND DEPENDING THEREFROM AND MOVABLE LONGITUDINALLY THROUGH SAID PIPE, SAID WELL TOOL INCLUDING HYDRAULICALLY OPERABLE MEANS AND PASSAGE MEANS COMMUNICATING WITH SAID FLUID CONDUCTING MEANS AND HYDRAULICALLY OPERABLE MEANS TO RECEIVE FLUID UNDER PRESSURE FROM SAID FLUID CONDUCTING MEANS AND CONDUCT IT UNDER PRESSURE TO SAID HYDRAULICALLY OPERABLE MEANS TO OPERATE THE SAME; SAID PIPE HAVING STOP MEANS THEREIN AT ITS LOWER PORTION; SAID COUPLING DEVICE HAVING STOP MEANS ENGAGEABLE WITH SAID OTHER STOP MEANS TO LOCATE SAID WELL TOOL SUBSTAN-
Claim 2
Dependent Claim
131 words
IN COMBINATION: A STRING OF PIPE ADAPTED TO BE LOWERED WITHIN A WELL BORE; A COUPLING DEVICE MOVABLE LONGITUDIANALLY THROUGH SAID PIPE INCLUDING AN INITIALLY RETRACTED COUPLING MEMBER AND FLUID CONDUCTING MEANS COMMUNICATING WITH THE PIPE TO RECEIVE FLUID UNDER PRESSURE THEREFROM: A WELL TOOL SECURED TO SAID COUPLING DEVICE AND DEPENDING THEREFROM AND MOVABLE LONGITUDINALLY THROUGH SAID PIPE, SAID WELL TOOL INCLUDING HYDRAULICALLY OPERABLE MEANS AND PASSAGE MEANS COMMUNICATING WITH SAID FLUID CONDUCTING MEANS AND HYDRAULICALLY OPERABLE MEANS TO RECEIVE FLUID UNDER PRESSURE FROM SAID FLUID CONDUCTING MEANS AND CONDUCT IT UNDER PRESSURE TO SAID HYDRAULICALLY OPERABLE MEANS TO OPERATE THE SAME; SAID PIPE HAVING STOP MEANS THEREIN AT ITS LOWER PORTION; SAID COUPLING DEVICE HAVING STOP MEANS ENGAGEABLE WITH SAID OTHER STOP MEANS TO LOCATE SAID WELL TOOL SUBSTAN-
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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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |