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Patent US3145995A successfully refreshed from Google Patents.
US3145995A
Expired / Lapsed
US
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Well service cable sealing apparatus
Assignee: Halliburton Co
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Filing: 1959-04-24
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Granted: 1964-08-25
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Expires: 1979-04-24
Abstract
No abstract record available.
Inventors
- 👤 Adamson Bliss
- 👤 Daniel H Carter
- 👤 Kenneth L Mcnemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:48
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/068; E21B33/072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
APPARATUS OF THE TYPE DESCRIBED, COMPRISING, A TUBULAR BARREL AND FIRST AND SECOND FLOW TUBES RESPECTIVELY PROVIDED WITH BORES FOR PASSING A WIRELINE THERETHRU, SAID FLOW TUBES DISPOSED IN SPACED APART RELATION WITHIN SAID BARREL AND DEFINING WITH SAID BARREL A FIRST CHAMBER BETWEEN SAID TUBES, A SECOND CHAMBER ABOVE SAID FIRST TUBE, AND A THIRD CHAMBER BELOW SAID SECOND TUBE, SAID BARREL AND SAID BORES OF SAID FLOW TUBES BEING OF A SIZE TO PASS A WIRELINE OF A GIVEN SIZE WITH RUNNING CLEARANCE AND WITH SUBSTANTIALLY NO MECHANICAL FRICTION, A PRESSURE CONTROLLER
Claim 2
Dependent Claim
94 words
APPARATUS OF THE TYPE DESCRIBED, COMPRISING, A TUBULAR BARREL AND FIRST AND SECOND FLOW TUBES RESPECTIVELY PROVIDED WITH BORES FOR PASSING A WIRELINE THERETHRU, SAID FLOW TUBES DISPOSED IN SPACED APART RELATION WITHIN SAID BARREL AND DEFINING WITH SAID BARREL A FIRST CHAMBER BETWEEN SAID TUBES, A SECOND CHAMBER ABOVE SAID FIRST TUBE, AND A THIRD CHAMBER BELOW SAID SECOND TUBE, SAID BARREL AND SAID BORES OF SAID FLOW TUBES BEING OF A SIZE TO PASS A WIRELINE OF A GIVEN SIZE WITH RUNNING CLEARANCE AND WITH SUBSTANTIALLY NO MECHANICAL FRICTION, A PRESSURE CONTROLLER
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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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |