US3299820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow controlling baffle for submersible centrifugal pumps
Assignee: Lockheed Martin Corp
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Filing: 1965-02-16
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Granted: 1967-01-24
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Expires: 1985-02-16
Abstract
No abstract record available.
Inventors
- 👤 Joe A Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:37
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/007; F04D9/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE COMBINATION WITH A SUBMERSIBLE CENTRIFUGAL PUMP MOUNTED WITHIN A CONTAINER OF FLUID AND HAVING AN INLET IN SPACED RELATION WITH THE BASE WALL OF SAID CONTAINER, OF A FLOW CONTROLLING BAFFLE ADAPTED TO BE MOUNTED IN FIXED POSITION SUBSTANTIALLY TRAVERSING THE SPACE AFORESAID AND CONCENTRICALLY DISPOSED AROUND SAID INLET, SAID BAFFLE COMPRISING A PLURALITY OF RADIALLY DISPOSED PASSAGES EACH EXTENDING FROM A PREDETERMINED POINT FROM THE CENTER OF SAID INLET TO A POINT BEYOND THE EDGE OF SAID INLET AND EACH PASSAGE BEING DIVIDED LONGITUDINALLY BY A WALL ESTABLISHING A PAIR OF DISCRETE FLUID INLET AND FLUID OUTLET CHANNELS OCCUPYING DIFFERENT RELATIVE PLANES WITH THE PLANE OF ALTERNATE CHANNELS BEING SUBSTANTIALLY THE SAME.
Claim 2
Dependent Claim
114 words
THE COMBINATION WITH A SUBMERSIBLE CENTRIFUGAL PUMP MOUNTED WITHIN A CONTAINER OF FLUID AND HAVING AN INLET IN SPACED RELATION WITH THE BASE WALL OF SAID CONTAINER, OF A FLOW CONTROLLING BAFFLE ADAPTED TO BE MOUNTED IN FIXED POSITION SUBSTANTIALLY TRAVERSING THE SPACE AFORESAID AND CONCENTRICALLY DISPOSED AROUND SAID INLET, SAID BAFFLE COMPRISING A PLURALITY OF RADIALLY DISPOSED PASSAGES EACH EXTENDING FROM A PREDETERMINED POINT FROM THE CENTER OF SAID INLET TO A POINT BEYOND THE EDGE OF SAID INLET AND EACH PASSAGE BEING DIVIDED LONGITUDINALLY BY A WALL ESTABLISHING A PAIR OF DISCRETE FLUID INLET AND FLUID OUTLET CHANNELS OCCUPYING DIFFERENT RELATIVE PLANES WITH THE PLANE OF ALTERNATE CHANNELS BEING SUBSTANTIALLY THE SAME.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |