US3196952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well pipe centering and fluid flowcourse controlling device
Assignee: B&W Inc
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Filing: 1962-06-20
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Granted: 1965-07-27
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 James R Solum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:20
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/10; E21B17/1014; E21B17/1021; E21B17/1028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A WELL PIPE CENTERING AND FLUID FLOW-COURSE CONTROLLING DEVICE THE COMBINATION OF: A PLURALITY OF AXIALLY SPACED COLLARS ADAPTED TO BE MOUNTED ON THE WELL PIPE, A PLURALITY OF OUTWARD BOWED SPRING MEANS EXTENDING BETWEEN AND SECURED TO SAID COLLARS, PLATE MEANS MOUNTED ON SAID SPRING MEANS AND EXTENDING CIRCUMFERENTIALLY IN BOTH DIRECTIONS FROM THAT SPRING MEANS TO LOCATIONS BENEATH EACH OF THE CIRCUMFERENTIALLY ADJACENT SPRING MEANS FOR CONFINING THE CIRCUMFERENTIAL EXTREMITIES OF SAID PLATE MEANS BETWEEN SAID ADJACENT SPRING MEANS AND THE WELL PIPE, AND MEANS HAVING AT LEAST ONE VANE PROJECTING INWARDLY FROM SAID SPRING MEANS TOWARD THE WELL PIPE, EACH SAID VANE EXTENDING DIAGONALLY AND CIRCUMFERENTIALLY RELATIVE TO THE WELL PIPE FOR DIVERTING FLUID FLOWING PAST THE DEVICE, AND EACH SAID VANE BEING RESILIENT FOR FLEXING UPON FLEXING SAID SPRING MEANS.
Claim 2
Dependent Claim
135 words
IN A WELL PIPE CENTERING AND FLUID FLOW-COURSE CONTROLLING DEVICE THE COMBINATION OF: A PLURALITY OF AXIALLY SPACED COLLARS ADAPTED TO BE MOUNTED ON THE WELL PIPE, A PLURALITY OF OUTWARD BOWED SPRING MEANS EXTENDING BETWEEN AND SECURED TO SAID COLLARS, PLATE MEANS MOUNTED ON SAID SPRING MEANS AND EXTENDING CIRCUMFERENTIALLY IN BOTH DIRECTIONS FROM THAT SPRING MEANS TO LOCATIONS BENEATH EACH OF THE CIRCUMFERENTIALLY ADJACENT SPRING MEANS FOR CONFINING THE CIRCUMFERENTIAL EXTREMITIES OF SAID PLATE MEANS BETWEEN SAID ADJACENT SPRING MEANS AND THE WELL PIPE, AND MEANS HAVING AT LEAST ONE VANE PROJECTING INWARDLY FROM SAID SPRING MEANS TOWARD THE WELL PIPE, EACH SAID VANE EXTENDING DIAGONALLY AND CIRCUMFERENTIALLY RELATIVE TO THE WELL PIPE FOR DIVERTING FLUID FLOWING PAST THE DEVICE, AND EACH SAID VANE BEING RESILIENT FOR FLEXING UPON FLEXING SAID SPRING MEANS.
References Cited (Backward Citations)
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |