US3079467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic head construction
Assignee: RCA Corp
•
Filing: 1958-07-29
•
Granted: 1963-02-26
•
Expires: 1978-07-29
Abstract
No abstract record available.
Inventors
- 👤 Rettinger Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:31
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/10; G11B5/127; G11B5/29
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
A MAGNETIC HEAD STRUCTURE COMPRISING A CORE HAVING A SIGNAL GAP, A WINDING ON SAID CORE, A METAL SUPPORT FOR SAID CORE, SAID CORE AND SAID SUPPORT BEING COMPLETELY OUT OF CONTACT WITH EACH OTHER WHEREBY THEY DO NOT TOUCH EACH OTHER BUT BEING DISPOSED IN CLOSELY ADJACENT RELATION TO EACH OTHER AT CERTAIN AREAS THEREOF, AND INSULATING MEANS BETWEEN SAID SUPPORT AND SAID CORE AT SAID AREAS ENGAGING BOTH SAID CORE AND SAID SUPPORT.
References Cited (Backward Citations)
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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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |