US3080241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outside pipe-cutting tool
Assignee: Texaco Inc
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Filing: 1959-11-16
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Granted: 1963-03-05
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Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Hosen L Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:43
CPC Classifications
E; E21; E21B; E21B29/00; E21B29/002; E21B29/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A DOWM HOLE OUTSIDE CUTTING TOOL FOR PIPE HAVING MEANS FOR CUTTING SAID PIPE WHEN ROTATED RELATIVE THERETO, AND HAVING MEANS FOR CAUSING SAID CUTTING MEANS TO MOVE INTO ENGAGEMENT WITH SAID PIPE, THE IMPROVEMENT COMPRISING, IN COMBINATION, SEGMENTIZED STRUCTURAL MEANS LOCATED IN THE ANNULUS BETWEEN SAID TOOL AND SAID PIPE COACTING WITH SAID LAST NAMED MEANS FOR ACTUATING SAID LAST NAMED MEANS, SAID SEGMENTIZED MEANS SUBSTANTIALLY FILLING SAID ANNULUS, AND RESILIENT COMPRISING A SLEEVE ENCIRCLING SAID SEGMENTIZED MEANS AND URGING SAID SEGMENTIZED MEANS INWARDLY FOR ENSURING A HYDRAULIC SEAL BY MAINTAINING SAID SEGMENTIZED MEANS IN CONTACT WITH SAID PIPE, WHEREBY THE CUTTING MEANS MAY BE ACTUATED BY THE APPLICATION OF HYDRAULIC PRESSURE IN SAID ANNULUS.
Claim 2
Dependent Claim
117 words
IN A DOWM HOLE OUTSIDE CUTTING TOOL FOR PIPE HAVING MEANS FOR CUTTING SAID PIPE WHEN ROTATED RELATIVE THERETO, AND HAVING MEANS FOR CAUSING SAID CUTTING MEANS TO MOVE INTO ENGAGEMENT WITH SAID PIPE, THE IMPROVEMENT COMPRISING, IN COMBINATION, SEGMENTIZED STRUCTURAL MEANS LOCATED IN THE ANNULUS BETWEEN SAID TOOL AND SAID PIPE COACTING WITH SAID LAST NAMED MEANS FOR ACTUATING SAID LAST NAMED MEANS, SAID SEGMENTIZED MEANS SUBSTANTIALLY FILLING SAID ANNULUS, AND RESILIENT COMPRISING A SLEEVE ENCIRCLING SAID SEGMENTIZED MEANS AND URGING SAID SEGMENTIZED MEANS INWARDLY FOR ENSURING A HYDRAULIC SEAL BY MAINTAINING SAID SEGMENTIZED MEANS IN CONTACT WITH SAID PIPE, WHEREBY THE CUTTING MEANS MAY BE ACTUATED BY THE APPLICATION OF HYDRAULIC PRESSURE IN SAID ANNULUS.
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |