Patent US3417209A successfully refreshed from Google Patents.
US3417209A
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High frequency magnetic head
Assignee: Consolidated Electrodynamics Corp
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Filing: 1965-10-11
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Granted: 1968-12-17
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Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 Robert A Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:48
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/29; G11B5/295; G11B5/1272; G11B5/187; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49021; Y10T29/49032; Y10T29/49036; Y10T29/49041; Y10T29/49055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A HEAD FOR RECOVERING SIGNALS FROM A MAGNETIC STORAGE MEDIUM COMPRISING SUPPORT MEANS FOR HOLDING A FIRST GAPPED MAGNETIC MATERIAL WITH ONE PORTION OF THE MAGNETIC MATERIAL ONE EACH SIDE OF THE GA EXPOSED FOR CONTACT WITH THE MAGNETIC MEDIUM, SAID FIRST MAGNETIC MATERIAL EXTENDING DOWNWARDLY FROM SAID SUPPORT MEANS, A SUPPORT BRACKET FOR HOUSING A SECOND GAPPED MAGNETIC MATERIAL WITH EDGES EXPOSED IN AN UPPER SURFACE PLANE OF THE BRACKET, SAID EDGES BEING ALIGNED FOR CNTACT WITH SAID DOWNWARDLY EXTENDING FIRST MAGNETIC MATERIAL, AND BONDING MEANS JOINING ONLY THE LOWER SURFACE OF THE SUPPORT MEANS TO THE UPPER SURFACE OF THE HOUSING BRACKET FOR COMPLETING A UNITARY MAGNETIC CIRCUIT FREE OF ANY OF SAID BONDING MATERIAL.
Claim 2
Dependent Claim
117 words
A HEAD FOR RECOVERING SIGNALS FROM A MAGNETIC STORAGE MEDIUM COMPRISING SUPPORT MEANS FOR HOLDING A FIRST GAPPED MAGNETIC MATERIAL WITH ONE PORTION OF THE MAGNETIC MATERIAL ONE EACH SIDE OF THE GA EXPOSED FOR CONTACT WITH THE MAGNETIC MEDIUM, SAID FIRST MAGNETIC MATERIAL EXTENDING DOWNWARDLY FROM SAID SUPPORT MEANS, A SUPPORT BRACKET FOR HOUSING A SECOND GAPPED MAGNETIC MATERIAL WITH EDGES EXPOSED IN AN UPPER SURFACE PLANE OF THE BRACKET, SAID EDGES BEING ALIGNED FOR CNTACT WITH SAID DOWNWARDLY EXTENDING FIRST MAGNETIC MATERIAL, AND BONDING MEANS JOINING ONLY THE LOWER SURFACE OF THE SUPPORT MEANS TO THE UPPER SURFACE OF THE HOUSING BRACKET FOR COMPLETING A UNITARY MAGNETIC CIRCUIT FREE OF ANY OF SAID BONDING MATERIAL.
References Cited (Backward Citations)
US3041413A
Cited
US3335412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |