Patent US3076930A successfully refreshed from Google Patents.
US3076930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable magnetic core
Assignee: Individual
•
Filing: 1961-03-23
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Granted: 1963-02-05
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Expires: 1981-03-23
Abstract
No abstract record available.
Inventors
- 👤 Erick O Schonstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:01
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/04; G01R33/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN ADJUSTABLE MAGNETIC CORE ASSEMBLY, COMPRISING A MAGNETIC CORE MEMBER HAVING WOUND LONGITUDINALLY THEREON AN EXCITATION COIL, WIRE SUPPORTING MEANS AT OPPOSITE ENDS OF SAID CORE MEMBER FOR RETAINING THE WIRES OF SAID COIL IN RADIALLY SPACED RELATION TO SAID CORE MEMBER, AT LEAST ONE OF SAID MEANS BEING ROTATABLY ADJUSTABLE ON SAID CORE MEMBER FOR TWISTING THE WINDINGS OF SAID COIL, A HOUSING FOR SAID CORE MEMBER, SUPPORTS AT OPPOSITE ENDS OF SAID HOUSING IN GRIPPING ENGAGEMENT WITH THE RESPECTIVE WIRE SUPPORTING MEANS OF SAID CORE MEMBER, FOR MOUNTING THE LATTER CONCENTRICALLY WITHIN AND IN RADIALLY SPACED RELATION TO SAID HOUSING, ONE OF SAID SUPPORTS BEING NORMALLY FIXED AGAINST ROTATION WITH RESPECT TO SAID HOUSING AND THE OTHER BEING ROTATABLE THEREIN TOGETHER WITH ITS GRIPPED WIRE SUPPORTING MEANS, WHEREBY THE WIRES OF SAID COIL MAY BE TWISTED ABOUT THE AXIS OF SAID CORE MEMBER FOR ADJUSTMENT.
Claim 2
Dependent Claim
147 words
AN ADJUSTABLE MAGNETIC CORE ASSEMBLY, COMPRISING A MAGNETIC CORE MEMBER HAVING WOUND LONGITUDINALLY THEREON AN EXCITATION COIL, WIRE SUPPORTING MEANS AT OPPOSITE ENDS OF SAID CORE MEMBER FOR RETAINING THE WIRES OF SAID COIL IN RADIALLY SPACED RELATION TO SAID CORE MEMBER, AT LEAST ONE OF SAID MEANS BEING ROTATABLY ADJUSTABLE ON SAID CORE MEMBER FOR TWISTING THE WINDINGS OF SAID COIL, A HOUSING FOR SAID CORE MEMBER, SUPPORTS AT OPPOSITE ENDS OF SAID HOUSING IN GRIPPING ENGAGEMENT WITH THE RESPECTIVE WIRE SUPPORTING MEANS OF SAID CORE MEMBER, FOR MOUNTING THE LATTER CONCENTRICALLY WITHIN AND IN RADIALLY SPACED RELATION TO SAID HOUSING, ONE OF SAID SUPPORTS BEING NORMALLY FIXED AGAINST ROTATION WITH RESPECT TO SAID HOUSING AND THE OTHER BEING ROTATABLE THEREIN TOGETHER WITH ITS GRIPPED WIRE SUPPORTING MEANS, WHEREBY THE WIRES OF SAID COIL MAY BE TWISTED ABOUT THE AXIS OF SAID CORE MEMBER FOR ADJUSTMENT.
References Cited (Backward Citations)
US2981885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |