US3128794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow inverter
Assignee: EIDP Inc
•
Filing: 1963-01-08
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Granted: 1964-04-14
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Expires: 1983-01-08
Abstract
No abstract record available.
Inventors
- 👤 Boucher Donald Frederick
- 👤 Sakiadis Byron Christos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:51
CPC Classifications
F; F15; F15D; F15D1/00; F15D1/02; F15D1/04; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
AN IMPROVED FLUID FLOW INVERTER DEVICE IN COMBINATION WITH A CLOSED CYLINDRICAL FLUID CONDUIT FOR HANDLING A MOVING FLUID STREAM HAVING A RELATIVELY HIGH VISCOSITY, SAID DEVICE COMPRISING AN INTEGRAL HOUSING UNIT ADAPTED TO BE FITTED AND POSITIONED IN A FLUID-TIGHT ARRANGEMENT WITHIN SUCH A CLOSED CONDUIT CONFORMING TO THE INNER SURFACE THEREOF, SAID HOUSING COMPRISING A FIRST FLUID DIRECTING PORTION FOR SEPARATING AN ANNULAR OUTER PORTION OF FLUID IN THE CONDUIT FROM THE FLUID IN THE CENTRAL PORTION OF SUCH A CONDUIT AND SIMULTANEOUSLY SMOOTHLY DEFLECTING THE SEPARATED OUTER PORTION LATERALLY ANGULARLY INTO A FIRST CHANNEL MEANS, SAID FIRST CHANNEL MEANS OPERATIVELY JOINED WITH SAID FIRST FLUID DIRECTING PORTION TO DIRECT THE SEPARATED DEFLECTED OUTER PORTION FLUID INTO THE CENTRAL PORTION OF THE CONDUIT DOWNSTREAM OF THE DEVICE,
Claim 2
Dependent Claim
129 words
AN IMPROVED FLUID FLOW INVERTER DEVICE IN COMBINATION WITH A CLOSED CYLINDRICAL FLUID CONDUIT FOR HANDLING A MOVING FLUID STREAM HAVING A RELATIVELY HIGH VISCOSITY, SAID DEVICE COMPRISING AN INTEGRAL HOUSING UNIT ADAPTED TO BE FITTED AND POSITIONED IN A FLUID-TIGHT ARRANGEMENT WITHIN SUCH A CLOSED CONDUIT CONFORMING TO THE INNER SURFACE THEREOF, SAID HOUSING COMPRISING A FIRST FLUID DIRECTING PORTION FOR SEPARATING AN ANNULAR OUTER PORTION OF FLUID IN THE CONDUIT FROM THE FLUID IN THE CENTRAL PORTION OF SUCH A CONDUIT AND SIMULTANEOUSLY SMOOTHLY DEFLECTING THE SEPARATED OUTER PORTION LATERALLY ANGULARLY INTO A FIRST CHANNEL MEANS, SAID FIRST CHANNEL MEANS OPERATIVELY JOINED WITH SAID FIRST FLUID DIRECTING PORTION TO DIRECT THE SEPARATED DEFLECTED OUTER PORTION FLUID INTO THE CENTRAL PORTION OF THE CONDUIT DOWNSTREAM OF THE DEVICE,
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |