US3295050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency tripler circuit utilizing the third harmonic component of transformers
Assignee: Inductotherm Corp
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Filing: 1962-08-13
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Granted: 1966-12-27
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry M Rowan
- 👤 Theodore R Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:05
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/02; H01F38/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN INDUCTIVE UNIT COMPRISING AN ANNULAR FERROMAGNETIC CORE FORMING A CONTINUOUS PATH FOR FLUX FLOWING THROUGH THE FERROMAGNETIC CORE, A WINDING ADAPTED TO BE CONNECTED TO A SOURCE OF ALTERNATING CURRENT WOUND AROUND SAID FERROMAGNETIC CORE, AND SPACING MEANS FOR PROVIDING AN ANNULAR SPACE BETWEEN SAID WINDING AND SAID CORE HAVING A LOWER PERMEABILITY THAN SAID FERROMAGNETIV CORE WHEN SAID CORE IS SATURATED THAN SAID FERRONATING CURRENT FLOWING THROUGH SAID WINDING, SAID SPACING MEANS BEING A CEMENTED IRON POWDER RING CONCENTRIC WITH SAID TOROIDAL CORE.
Claim 2
Dependent Claim
85 words
AN INDUCTIVE UNIT COMPRISING AN ANNULAR FERROMAGNETIC CORE FORMING A CONTINUOUS PATH FOR FLUX FLOWING THROUGH THE FERROMAGNETIC CORE, A WINDING ADAPTED TO BE CONNECTED TO A SOURCE OF ALTERNATING CURRENT WOUND AROUND SAID FERROMAGNETIC CORE, AND SPACING MEANS FOR PROVIDING AN ANNULAR SPACE BETWEEN SAID WINDING AND SAID CORE HAVING A LOWER PERMEABILITY THAN SAID FERROMAGNETIV CORE WHEN SAID CORE IS SATURATED THAN SAID FERRONATING CURRENT FLOWING THROUGH SAID WINDING, SAID SPACING MEANS BEING A CEMENTED IRON POWDER RING CONCENTRIC WITH SAID TOROIDAL CORE.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |