US3281678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic core-loss tester for continuous strip
Assignee: United States Steel Corp
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Filing: 1962-04-26
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Granted: 1966-10-25
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Expires: 1982-04-26
Abstract
No abstract record available.
Inventors
- 👤 Frank F Cilyo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:33
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/12; G01R33/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
APPARATUS FOR DETERMINING THE MAGNETIC CHARACTERISTICS OF STRIP MATERIAL COMPRISING, MAGNETIZING MEANS ADAPTED TO INDUCE MAGNETIC FLUX IN STRIP BEING TESTED, FIRST INDUCTIVE MEANS INCLUDING A MEASURING COIL ADAPTED TO PRODUCE A SIGNAL CORRESPONDING TO THE FLUX-DENSITY INDUCED BY THE MAGNETIZING MEANS, SECOND INDUCTIVE MEANS INCLUDING A SENSING COIL ADAPTED TO PRODUCE A SIGNAL CORRESPONDING TO THE MAGNETIZING FORCE DEVELOPED BY SAID MAGNETIZING MEANS, MEANS OPERABLY CONNECTED TO SAID MAGNETIZING MEANS ADAPTED TO ENERGIZE SAID MAGNETIZING MEANS TO PRODUCE A SELECTED FLUX-DENSITY IN THE STRIP, MEANS TO COMBINE THE SIGNALS OF SAID COILS TO PRODUCE A MODIFIED SIGNAL CORRESPONDING TO THE FLUX-DENSITY IN SAID STRIP, AND MEANS TO VARY THE MAGNETIZING FORCE OF SAID MAGNETIZING MEANS INVERSELY PROPORTIONAL TO THE CHANGE IN THE MODIFIED SIGNAL WHEREBY THE INDUCED FLUX-DENSITY IS MAINTAINED CONSTANT.
Claim 2
Dependent Claim
132 words
APPARATUS FOR DETERMINING THE MAGNETIC CHARACTERISTICS OF STRIP MATERIAL COMPRISING, MAGNETIZING MEANS ADAPTED TO INDUCE MAGNETIC FLUX IN STRIP BEING TESTED, FIRST INDUCTIVE MEANS INCLUDING A MEASURING COIL ADAPTED TO PRODUCE A SIGNAL CORRESPONDING TO THE FLUX-DENSITY INDUCED BY THE MAGNETIZING MEANS, SECOND INDUCTIVE MEANS INCLUDING A SENSING COIL ADAPTED TO PRODUCE A SIGNAL CORRESPONDING TO THE MAGNETIZING FORCE DEVELOPED BY SAID MAGNETIZING MEANS, MEANS OPERABLY CONNECTED TO SAID MAGNETIZING MEANS ADAPTED TO ENERGIZE SAID MAGNETIZING MEANS TO PRODUCE A SELECTED FLUX-DENSITY IN THE STRIP, MEANS TO COMBINE THE SIGNALS OF SAID COILS TO PRODUCE A MODIFIED SIGNAL CORRESPONDING TO THE FLUX-DENSITY IN SAID STRIP, AND MEANS TO VARY THE MAGNETIZING FORCE OF SAID MAGNETIZING MEANS INVERSELY PROPORTIONAL TO THE CHANGE IN THE MODIFIED SIGNAL WHEREBY THE INDUCED FLUX-DENSITY IS MAINTAINED CONSTANT.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |