US3297418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic thin film element and method of manufacture
Assignee: Individual
•
Filing: 1964-04-24
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Granted: 1967-01-10
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Expires: 1984-04-24
Abstract
No abstract record available.
Inventors
- 👤 Firestone Stanley
- 👤 Eugene J Chabak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:10
CPC Classifications
H; H01; H01F; H01F10/00; H01F10/08; H01F10/10; C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/562; C25D5/00; C25D5/007; C25D5/009; C25D7/00; C25D7/001; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/928; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/936; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12465; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12882; Y10T428/12944
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A THIN MAGNETIC FILM ELEMENT, COMPRISING A MAGNETICALLY ORIENTED FILM, SAID FILM BEING AN ALLOY CONSISTING ESSENTIALLY OF 1 TO 5 PERCENT COBALT, AND THE REMAINDER OF SAID MAGNETICALLY ORIENTED FILM BEING NICKEL AND IRON IN A RATIO OF FROM 80:20 TO 75:25, SAID MAGNETICALLY ORIENTED FILM BEING DEPOSITED ON AN ELECTRICALLY CONDUCTIVE METALLIC SUBSTRATE.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |