US2754569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a magnetic transducer head
Assignee: Clevite Corp
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Filing: 1952-10-21
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Granted: 1956-07-17
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Expires: 1972-10-21
Abstract
No abstract record available.
Inventors
- 👤 Kornei Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:06
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/10; G11B5/105; G11B5/48; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/49826; Y10T29/49879; Y10T29/4998; Y10T29/49988; Y10T29/49989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF MAKING A MAGNETIC TRANSDUCER HEAD HAVING A CORE WITH A TRANSDUCER GAP THEREIN AND HAVING A SIGNAL AROUND THE CORE AT A LOCATION AWAY FROM SAID TRANSDUCER GAP WHICH COMPRISES THE STEPS OF: PLACING SAID CORE WITHIN A HOLLOW METAL HOUSING; BIASING SAID CORE TOWARD ONE INNER FACE OF SAID HOUSING WITH SAID TRANSDUCER GAP CLOSE TO SAID HOUSING; FILLING SAID HOUSING WITH HARDENABLE NON-MAGNETIC CASTING MATERIAL; CAUSING SAID CASTING MATERIAL TO HARDEN TO HOLD SAID CORE AND SAID
Claim 2
Independent Claim
82 words
THE METHOD OF MAKING A MAGNETIC TRANSDUCER HEAD HAVING A CORE WITH A TRANSDUCER GAP THEREIN AND HAVING A SIGNAL AROUND THE CORE AT A LOCATION AWAY FROM SAID TRANSDUCER GAP WHICH COMPRISES THE STEPS OF: PLACING SAID CORE WITHIN A HOLLOW METAL HOUSING; BIASING SAID CORE TOWARD ONE INNER FACE OF SAID HOUSING WITH SAID TRANSDUCER GAP CLOSE TO SAID HOUSING; FILLING SAID HOUSING WITH HARDENABLE NON-MAGNETIC CASTING MATERIAL; CAUSING SAID CASTING MATERIAL TO HARDEN TO HOLD SAID CORE AND SAID
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) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |