US3104455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing magnetic transducer head
Assignee: Clevite Corp
•
Filing: 1959-08-10
•
Granted: 1963-09-24
•
Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 William T Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:29
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/187; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49021; Y10T29/49032; Y10T29/49048; Y10T29/49055; Y10T29/49075; Y10T29/49076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A METHOD OF MAKING A MAGNETIC RECORDING/REPRODUCING HEAD WHICH COMPRISES THE STEPS OF POSITIONING A PAIR OF OPPOSITE LEGS OF A MAGNETIC CORE WITH A PAIR OF RESPECTIVE POLE FACES THEREOF IN CONFRONTING RELATIONSHIP TO ONE ANOTHER, WITH SAID CORE LEGS BEING COMPLETELY SEPARATE FROM ONE ANOTHER AT SAID CONFRONTING POLE FACES AND WITH SAID POLE FACES CONTACTING ONE ANOTHER ONLY ALONG A SINGLE LINE CONTACT AT THEIR OUTER EDGES AND DIVERGING AWAY FROM EACH OTHER INWARD FROM SAID SINGLE IN THE BASE AND EXTENDING THROUGH THE PLATFORM AND SUPPORT MEANS FOR RECEIVING AND ELECTRODE THEREOVER, A PAIR OF JAWS MOUNTED ON THE FIXTURE AND PIVOTALLY CONNECTED WITH THE PLATFORM FOR MOVEMENT TOWARD AND AWAY FROM THE GUIDE PIN AND INTO AND OUT OF OVERLYING RELATION WITH THE PLATFORM, MEANS FOR POSITIONING A TOP MICA SPACER ON ELCTRODE PARTS LOCATED IN THE FIXTURES, AND MEANS FOR EJECTING ASSEMBLED ELECTRODE FROM THE FIXTURES COMPRISING AN EJECTOR POSITIONED WITHIN SAID SUPPORT MEANS, AND A POST FIXED TO THE BASE, THE EJECTOR BEING PIVOTAL ADJACENT ITS END NEAREST THE POST AND HAVING A PORTON ADAPTED TO ENGAGE THE POST WHEN THE PLATFORM IS RAISED FOR UNSEATING AN ELECTRODE ASSEMBLY FROM THE SUPPORT MEANS.
Claim 2
Independent Claim
200 words
A METHOD OF MAKING A MAGNETIC RECORDING/REPRODUCING HEAD WHICH COMPRISES THE STEPS OF POSITIONING A PAIR OF OPPOSITE LEGS OF A MAGNETIC CORE WITH A PAIR OF RESPECTIVE POLE FACES THEREOF IN CONFRONTING RELATIONSHIP TO ONE ANOTHER, WITH SAID CORE LEGS BEING COMPLETELY SEPARATE FROM ONE ANOTHER AT SAID CONFRONTING POLE FACES AND WITH SAID POLE FACES CONTACTING ONE ANOTHER ONLY ALONG A SINGLE LINE CONTACT AT THEIR OUTER EDGES AND DIVERGING AWAY FROM EACH OTHER INWARD FROM SAID SINGLE IN THE BASE AND EXTENDING THROUGH THE PLATFORM AND SUPPORT MEANS FOR RECEIVING AND ELECTRODE THEREOVER, A PAIR OF JAWS MOUNTED ON THE FIXTURE AND PIVOTALLY CONNECTED WITH THE PLATFORM FOR MOVEMENT TOWARD AND AWAY FROM THE GUIDE PIN AND INTO AND OUT OF OVERLYING RELATION WITH THE PLATFORM, MEANS FOR POSITIONING A TOP MICA SPACER ON ELCTRODE PARTS LOCATED IN THE FIXTURES, AND MEANS FOR EJECTING ASSEMBLED ELECTRODE FROM THE FIXTURES COMPRISING AN EJECTOR POSITIONED WITHIN SAID SUPPORT MEANS, AND A POST FIXED TO THE BASE, THE EJECTOR BEING PIVOTAL ADJACENT ITS END NEAREST THE POST AND HAVING A PORTON ADAPTED TO ENGAGE THE POST WHEN THE PLATFORM IS RAISED FOR UNSEATING AN ELECTRODE ASSEMBLY FROM THE SUPPORT MEANS.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |