Patent US3378093A successfully refreshed from Google Patents.
Patent US3124199A successfully refreshed from Google Patents.
US3124199A
Expired / Lapsed
US
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Spiral oil well cementing tool
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:23
CPC Classifications
E; E21; E21B; E21B37/00; E21B37/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A DEVICE FOR USE ON A WELL CASING FOR CAUSING TURBULENCE OF THE FLUID IN THE ANNULAR SPACE BETWEEN THE CASING AND THE WELL BORE, THE COMBINATION OF: A CARRIER HAVING A PLURALITY OF SPACED MOUNTING MEANS, A PLURALITY OF CABLE LENGTHS WITH EACH CABLE LENGTH HAVING ONE END MOUNTED IN ONE OF SAID MOUNTING MEANS AND THE OTHER END MOUNTED IN A SEPARATE AND SPACED MOUNTING MEANS, EACH SAID CABLE LENGTH FORMING A LOOP FOR PROJECTING INTO THE ANNULAR SPACE, EACH OF SAID LOOPS LYING SUBSTANTIALLY IN A PLANE PASSING THROUGH THE SAID PLURALITY OF MOUNTING MEANS, AND THE SAID CABLE LENGTH ENDS EACH POSITIONED IN SAID MOUNTING MEANS IN THE SAME DIRECTION AND POINTED TOWARD THE NEXT ADJACENT MOUNTING MEANS IN THAT DIRECTION FOR FORMING EACH SAID LOOP INTO A GENERALLY SPIRAL CONFIGURATION.
Claim 2
Dependent Claim
136 words
IN A DEVICE FOR USE ON A WELL CASING FOR CAUSING TURBULENCE OF THE FLUID IN THE ANNULAR SPACE BETWEEN THE CASING AND THE WELL BORE, THE COMBINATION OF: A CARRIER HAVING A PLURALITY OF SPACED MOUNTING MEANS, A PLURALITY OF CABLE LENGTHS WITH EACH CABLE LENGTH HAVING ONE END MOUNTED IN ONE OF SAID MOUNTING MEANS AND THE OTHER END MOUNTED IN A SEPARATE AND SPACED MOUNTING MEANS, EACH SAID CABLE LENGTH FORMING A LOOP FOR PROJECTING INTO THE ANNULAR SPACE, EACH OF SAID LOOPS LYING SUBSTANTIALLY IN A PLANE PASSING THROUGH THE SAID PLURALITY OF MOUNTING MEANS, AND THE SAID CABLE LENGTH ENDS EACH POSITIONED IN SAID MOUNTING MEANS IN THE SAME DIRECTION AND POINTED TOWARD THE NEXT ADJACENT MOUNTING MEANS IN THAT DIRECTION FOR FORMING EACH SAID LOOP INTO A GENERALLY SPIRAL CONFIGURATION.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |