US3549428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic thin films and method of making
Assignee: General Electric Co
•
Filing: 1968-02-26
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Granted: 1970-12-22
•
Expires: 1988-02-26
Abstract
No abstract record available.
Inventors
- 👤 James M Lommel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:43
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/06; C23C14/14; C23C14/58; C23C14/5806; C23C14/5893; C23C26/00; H; H01; H01F; H01F10/00; H01F10/08; H01F10/10; H01F10/12; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12389; Y10T428/12396; Y10T428/12465; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12951; Y10T428/24; Y10T428/24802; Y10T428/24917; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3433721A
Cited
DE1219694B
Cited
US3133874A
Cited
US3375091A
Cited
US3472708A
Cited
US3370929A
Cited
US3383761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |