US3101615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flowmeter
Assignee: Dresser Industries Inc
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Filing: 1960-02-02
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Granted: 1963-08-27
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Expires: 1980-02-02
Abstract
No abstract record available.
Inventors
- 👤 Pavone Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:55
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
APPARATUS FOR PRODUCING AN OUTPUT SIGNAL REPRESENTATIVE OF A ROTATIONAL MOVEMENT, SAID APPARATUS COMPRISING; A FRAME; A MEMBER HAVING AT LEAST ONE RADIALLY EXTENDING METAL PROJECTION; MEANS MOUNTING SAID MEMBER ON SAID FRAMEWORK IN A MANNER TO PERMIT ROTATION OF SAID MEMBER INDEFINITELY IN ONE DIRECTION ABOUT AN AXIS OTHER THAN THAT OF SAID PROJECTION; SAID MEMBER BEING ARRANGED TO RECEIVE A FORCE THAT PRODUCES ROTATIONAL MOVEMENT OF SAID MEMBER; A RADIO FREQUENCY OSCILLATOR HAVING A TUNED CIRCUIT THAT CONTROLS THE OSCILLATOR FREQUENCY INCLUDING AN INDUCTOR DISPOSED SUBSTANTIALLY FREE OF MAGNETIC COUPLING TO ANY OTHER COIL; A DIELECTRIC MEMBER EXTENDING THROUGH SAID INDUCTOR; AND MEANS SUPPORTING SAID INDUCTOR IN A FIXED POSITION RELATIVE TO SAID FRAMEWORK TO BE CONTIGUOUS TO THE METAL OF SAID PROJECTION ONLY UPON ROTATION OF SAID PROJECTION-BEARING MEMBER TO ONE PREDETERMINED POSITION, WHEREBY THE REACTANCE OF SAID INDUCTOR IS ALTERED WHEN SAID PROJECTION MOVES INTO SAID ONE PREDETERMINED POSITION, THEREBY ALTERING THE OUTPUT SIGNAL FROM SAID OSCILLATOR AND SO INDICATING ROTATION OF SAID PROJECTION-BEARING MEMBER.
Claim 2
Dependent Claim
169 words
APPARATUS FOR PRODUCING AN OUTPUT SIGNAL REPRESENTATIVE OF A ROTATIONAL MOVEMENT, SAID APPARATUS COMPRISING; A FRAME; A MEMBER HAVING AT LEAST ONE RADIALLY EXTENDING METAL PROJECTION; MEANS MOUNTING SAID MEMBER ON SAID FRAMEWORK IN A MANNER TO PERMIT ROTATION OF SAID MEMBER INDEFINITELY IN ONE DIRECTION ABOUT AN AXIS OTHER THAN THAT OF SAID PROJECTION; SAID MEMBER BEING ARRANGED TO RECEIVE A FORCE THAT PRODUCES ROTATIONAL MOVEMENT OF SAID MEMBER; A RADIO FREQUENCY OSCILLATOR HAVING A TUNED CIRCUIT THAT CONTROLS THE OSCILLATOR FREQUENCY INCLUDING AN INDUCTOR DISPOSED SUBSTANTIALLY FREE OF MAGNETIC COUPLING TO ANY OTHER COIL; A DIELECTRIC MEMBER EXTENDING THROUGH SAID INDUCTOR; AND MEANS SUPPORTING SAID INDUCTOR IN A FIXED POSITION RELATIVE TO SAID FRAMEWORK TO BE CONTIGUOUS TO THE METAL OF SAID PROJECTION ONLY UPON ROTATION OF SAID PROJECTION-BEARING MEMBER TO ONE PREDETERMINED POSITION, WHEREBY THE REACTANCE OF SAID INDUCTOR IS ALTERED WHEN SAID PROJECTION MOVES INTO SAID ONE PREDETERMINED POSITION, THEREBY ALTERING THE OUTPUT SIGNAL FROM SAID OSCILLATOR AND SO INDICATING ROTATION OF SAID PROJECTION-BEARING MEMBER.
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |