US3309640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency core device with relatively movable cores
Assignee: OSHIMA MUSAN CO Ltd
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Filing: 1965-06-01
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Granted: 1967-03-14
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Oshima Masaomi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:09
CPC Classifications
H; H01; H01F; H01F17/00; H01F17/04; H01F17/043; H01F27/00; H01F27/02; H01F27/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A HIGH-FREQUENCY COIL DEVICE COMPRISING AN INSULATING BASE PLATE, A PLURALITY OF TERMINAL PINS PROJECTING FROM SAID PLATE, A MAGNETIC CORE MOUNTED ON SAID BASE PLATE, A WINDING WOUND ON THE CENTER PORTION OF SAID MAGNETIC CORE, A HOLDER CONSISTING OF A FLEXIBLE PLATE PORTION AND HOLDING PORTIONS EXTENDING UPWARDLY FROM THE OPPOSITE SIDES OF SAID PLATE PORTION IN PARALLEL RELATIONSHIP, EACH OF SAID HOLDING PORTIONS HAVING INNER SCREW THREADS, SAID PLATE PORTION BEING INTEGRAL WITH SAID HOLDING PORTIONS TO CONNECT THE LOWER ENDS OF SAID HOLDING PORTIONS WITH EACH OTHER AND BEING DISPOSED IN ENGAGEMENT WITH THE LOWER SURFACE OF SAID BASE PLATE, AND A MOVABLE SCREW-THREADED CYLINDRICAL MAGNETIC CORE SCREWED INTO SAID HOLDER WITH FLEXIBILITY CAUSED BY THE FLEXIBILITY OF SAID PLATE PORTION.
Claim 2
Dependent Claim
125 words
A HIGH-FREQUENCY COIL DEVICE COMPRISING AN INSULATING BASE PLATE, A PLURALITY OF TERMINAL PINS PROJECTING FROM SAID PLATE, A MAGNETIC CORE MOUNTED ON SAID BASE PLATE, A WINDING WOUND ON THE CENTER PORTION OF SAID MAGNETIC CORE, A HOLDER CONSISTING OF A FLEXIBLE PLATE PORTION AND HOLDING PORTIONS EXTENDING UPWARDLY FROM THE OPPOSITE SIDES OF SAID PLATE PORTION IN PARALLEL RELATIONSHIP, EACH OF SAID HOLDING PORTIONS HAVING INNER SCREW THREADS, SAID PLATE PORTION BEING INTEGRAL WITH SAID HOLDING PORTIONS TO CONNECT THE LOWER ENDS OF SAID HOLDING PORTIONS WITH EACH OTHER AND BEING DISPOSED IN ENGAGEMENT WITH THE LOWER SURFACE OF SAID BASE PLATE, AND A MOVABLE SCREW-THREADED CYLINDRICAL MAGNETIC CORE SCREWED INTO SAID HOLDER WITH FLEXIBILITY CAUSED BY THE FLEXIBILITY OF SAID PLATE PORTION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |