US3243269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic bodies having magnetic anisotropy comprising conjoined thin films of molybdenum and nickel coated on a non-conductive substrate
Assignee: General Electric Co
•
Filing: 1962-02-28
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Granted: 1966-03-29
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Expires: 1982-02-28
Abstract
No abstract record available.
Inventors
- 👤 James M Lommel
- 👤 Jr Charles D Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:50
CPC Classifications
H; H01; H01F; H01F10/00; H01F10/08; H01F10/10; H01F10/12; H01F10/14; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10S428/926; Y10S428/9265; Y10S428/928; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12597
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN ARTICLE OF MANUFACTURE HAVING ROTATABLE MAGNETIC ANISTROPY COMPRISING, AN ELECTRICALLY NONCONDUCTIVE SUBSTRATE BODY, A THIN FILM OF MOLYBDENUM ON SAID SUBSTRATE, AND A FILM OF NICKEL NOT LESS THAN ABOUT 100 A. IN THICKNESS CONJOINING SAID MOLYBDENUM FILM, THE TOTAL COMBINED THICKNESS OF SAID NICKEL AND MOLYBDENUM FILMS BEING NOT GREATER THAN ABOUT 5000 A.
Claim 2
Dependent Claim
56 words
AN ARTICLE OF MANUFACTURE HAVING ROTATABLE MAGNETIC ANISTROPY COMPRISING, AN ELECTRICALLY NONCONDUCTIVE SUBSTRATE BODY, A THIN FILM OF MOLYBDENUM ON SAID SUBSTRATE, AND A FILM OF NICKEL NOT LESS THAN ABOUT 100 A. IN THICKNESS CONJOINING SAID MOLYBDENUM FILM, THE TOTAL COMBINED THICKNESS OF SAID NICKEL AND MOLYBDENUM FILMS BEING NOT GREATER THAN ABOUT 5000 A.
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |