US2711945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic transducer head for high frequency signals
Assignee: Clevite Corp
•
Filing: 1953-03-04
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Granted: 1955-06-28
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Expires: 1973-03-04
Abstract
No abstract record available.
Inventors
- 👤 Kornei Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:12
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/187
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A MAGNETIC TRANSDUCER HEAD COMPRISING: A CORE OF NON-METALLIC MAGNETICALLY SOFT MATERIAL DEFINING A MAGNETIC CIRCUIT WHICH INCLUDES AT LEAST ONE GAP, METALLIC POLESHOE MEANS INTIMATELY CONNECTED TO SAID CORE ON EITHER SIDE OF SAID GAP DEFINING A TRANSDUCING GAP FOR FLUX INTERLINKAGE WITH RECORD MATERIAL, AND COIL MEANS AROUND SAID CORE.
Claim 2
Dependent Claim
52 words
A MAGNETIC TRANSDUCER HEAD COMPRISING: A CORE OF NON-METALLIC MAGNETICALLY SOFT MATERIAL DEFINING A MAGNETIC CIRCUIT WHICH INCLUDES AT LEAST ONE GAP, METALLIC POLESHOE MEANS INTIMATELY CONNECTED TO SAID CORE ON EITHER SIDE OF SAID GAP DEFINING A TRANSDUCING GAP FOR FLUX INTERLINKAGE WITH RECORD MATERIAL, AND COIL MEANS AROUND SAID CORE.
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) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |