Patent US3126060A successfully refreshed from Google Patents.
US3126060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
L loiacano
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:32
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/14; E21B33/16; E21B21/00; E21B21/10; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A WELL COMPLETION TOOL ADAPTED TO BE CONNECTED WITH A WELL CASING DISPOSED IN A WELL HOLE, SAID WELL COMPLETION TOOL COMPRISING A BODY, NORMALLY OPEN VALVE MEANS MOUNTED IN SAID BODY HAVING A RESILIENT VALVE ELEMENT MOVABLY MOUNTED RELATIVE TO A VALVE SEAT MOUNTED IN THE BODY, MEANS FOR NORMALLY HOLDING SAID VALVE MEANS OPEN, SAID VALVE SEAT HAVING AT LEAST ONE PASSAGE THAT IS OPENED AND CLOSED BY SAID VALVE ELEMENT, A VALVE STEM OPERATIVELY CONNECTED TO SAID VALVE ELEMENT, SAID VALVE SEAT HAVING AN OPENING THROUGH WHICH SAID VALVE STEM IS PASSED AND HAVING A VALVE SEAT SURFACE THROUGH WHICH SAID PASSAGE OPENS, SAID VALVE ELEMENT HAVING A THICKENED CENTER PART AND A REDUCED THICKNESS PERIPHERAL PART, SAID THICKENED CENTER PART ADAPTED TO BE DISPOSED ON SAID VALVE SEAT SURFACE WHEN SAID VALVE IS CLOSED, AND SAID BODY HAVING A CYLINDRICAL WALL ENGAGEABLE BY THE PERIPHERAL PART OF SAID VALVE ELEMENT TO LIMIT MOVEMENT THEREOF.
Claim 2
Dependent Claim
158 words
A WELL COMPLETION TOOL ADAPTED TO BE CONNECTED WITH A WELL CASING DISPOSED IN A WELL HOLE, SAID WELL COMPLETION TOOL COMPRISING A BODY, NORMALLY OPEN VALVE MEANS MOUNTED IN SAID BODY HAVING A RESILIENT VALVE ELEMENT MOVABLY MOUNTED RELATIVE TO A VALVE SEAT MOUNTED IN THE BODY, MEANS FOR NORMALLY HOLDING SAID VALVE MEANS OPEN, SAID VALVE SEAT HAVING AT LEAST ONE PASSAGE THAT IS OPENED AND CLOSED BY SAID VALVE ELEMENT, A VALVE STEM OPERATIVELY CONNECTED TO SAID VALVE ELEMENT, SAID VALVE SEAT HAVING AN OPENING THROUGH WHICH SAID VALVE STEM IS PASSED AND HAVING A VALVE SEAT SURFACE THROUGH WHICH SAID PASSAGE OPENS, SAID VALVE ELEMENT HAVING A THICKENED CENTER PART AND A REDUCED THICKNESS PERIPHERAL PART, SAID THICKENED CENTER PART ADAPTED TO BE DISPOSED ON SAID VALVE SEAT SURFACE WHEN SAID VALVE IS CLOSED, AND SAID BODY HAVING A CYLINDRICAL WALL ENGAGEABLE BY THE PERIPHERAL PART OF SAID VALVE ELEMENT TO LIMIT MOVEMENT THEREOF.
References Cited (Backward Citations)
US1120713A
Cited
US1994072A
Cited
US2217708A
Cited
US2248124A
Cited
US2330266A
Cited
US2382578A
Cited
US2635697A
Cited
US2751023A
Cited
US2751022A
Cited
US2858838A
Cited
US2846015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |