US3264869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for studying currents
Assignee: Pechiney SA
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Filing: 1963-09-13
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Granted: 1966-08-09
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Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Erdely Ladislas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:00
CPC Classifications
G; G01; G01P; G01P13/00; G01P13/02; G01P5/00; G01P5/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
APPARATUS FOR THE DETERMINATION OF THE SPEED AND DIRECTION OF MOVING FLUIDS COMPRISING: (A) MEANS DEFINING A REVOLUTION VOLUME; (B) A ROD UPON WHICH THE VOLUME IS SUPPORTED AS A PROLONGATION OF THE REVOLUTION AXIS OF SAID COLUMN; (C) A PAIR OF CONCENTRIC RINGS MOVABLE ONE IN RELATION TO THE OTHER AND IN RELATION TO THEIR SUPPORT ABOUT TWO PERPENDICULAR RADIALLY EXTENDING ROTATION AXES WHICH CROSS THE CENTERS OF THE RINGS AND IN WHICH THE ROD WHICH PASSES THROUGH THE CENTER OF THE RINGS IS ATTACHED TO THE AXIS OF THE INTERNAL RING PERPENDICULAR TO THE PLANE OF SAID RING; (D) MEANS SECURED TO AND EXTENDING AWAY FROM SAID RINGS, SAID MEANS COMPRISING AT LEAST TWO EXTENDING RODS RESPECTIVELY ATTACHED TO SAID CONCENTRIC RINGS AND EXTENDING PERPENDICULARLY TO THE PLANES THEREOF AT A POINT REMOTE FROM THEIR ROTATION AXES; AND (E) MEANS OPERATIVELY ASSOCIATED WITH SAID EXTENDING RODS FOR MEASURING QUANTITATIVELY AND DIRECTIONALLY THE DEVIATION BETWEEN THE EQUILIBRIUM POSITIONS OF BOTH RINGS WHEN SAID VOLUME IS IN A FLUID AT REST AND WHEN THE VOLUME IS IN THE SAME FLUID WHEN MOVING.
Claim 2
Dependent Claim
182 words
APPARATUS FOR THE DETERMINATION OF THE SPEED AND DIRECTION OF MOVING FLUIDS COMPRISING: (A) MEANS DEFINING A REVOLUTION VOLUME; (B) A ROD UPON WHICH THE VOLUME IS SUPPORTED AS A PROLONGATION OF THE REVOLUTION AXIS OF SAID COLUMN; (C) A PAIR OF CONCENTRIC RINGS MOVABLE ONE IN RELATION TO THE OTHER AND IN RELATION TO THEIR SUPPORT ABOUT TWO PERPENDICULAR RADIALLY EXTENDING ROTATION AXES WHICH CROSS THE CENTERS OF THE RINGS AND IN WHICH THE ROD WHICH PASSES THROUGH THE CENTER OF THE RINGS IS ATTACHED TO THE AXIS OF THE INTERNAL RING PERPENDICULAR TO THE PLANE OF SAID RING; (D) MEANS SECURED TO AND EXTENDING AWAY FROM SAID RINGS, SAID MEANS COMPRISING AT LEAST TWO EXTENDING RODS RESPECTIVELY ATTACHED TO SAID CONCENTRIC RINGS AND EXTENDING PERPENDICULARLY TO THE PLANES THEREOF AT A POINT REMOTE FROM THEIR ROTATION AXES; AND (E) MEANS OPERATIVELY ASSOCIATED WITH SAID EXTENDING RODS FOR MEASURING QUANTITATIVELY AND DIRECTIONALLY THE DEVIATION BETWEEN THE EQUILIBRIUM POSITIONS OF BOTH RINGS WHEN SAID VOLUME IS IN A FLUID AT REST AND WHEN THE VOLUME IS IN THE SAME FLUID WHEN MOVING.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |