US3302448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for supervising the proportion of a magnetically active component in a fluid
Assignee: Honeywell Inc
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Filing: 1963-09-26
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Granted: 1967-02-07
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Expires: 1983-09-26
Abstract
No abstract record available.
Inventors
- 👤 Hans W Mocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:26
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
IN COMBINATION: A FLUID BRIDGE INCLUDING TWO PAIRS OF OPPOSITE CAPILLARY ARMS CONNECTED TO PROVIDE AN INPUT DIAGONAL AND AN OUTPUT DIAGONAL, AT LEAST ONE OF SAID ARMS BEING OF MAGNETICALLY TRANSPARENT MATERIAL; MEANS SUPPLYING TO SAID INPUT DIAGONAL A MIXTURE OF FLUIDS HAVING A VARIABLE MAGNETICALLY ACTIVE COMPONENT; MEANS MAINTAINING A STRONG, SUBSTANTIALLY CONSTANT MAGNETIC FIELD AMBIENT TO AT LEAST SAID ONE OF SAID ARMS, WHEREBY TO CHANGE THE RESISTANCE OF SAID ONE ARM TO THE FLOW OF MAGNETICALLY ACTIVE FLUID THERETHROUGH, COMPARED TO THE RESISTANCE OF SAID ONE ARM TO THE FLOW OF MAGNETICALLY INERT FLUID THERETHROUGH; CONTROL MEANS CONNECTED TO SAID BRIDGE FOR GIVING AN OUTPUT DETERMINED BY THE PRESSURE DIFFERENTIAL ACROSS SAID OUTPUT DIAGONAL AND HENCE BY THE MAGNETICALLY ACTIVE COMPONENT OF SAID MIXTURE; MEANS ADJUSTABLE TO DIFFERENTIALLY VARY THE FLOW RESISTANCE OF AN ADJACENT PAIR OF SAID
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |