Patent US3524173A successfully refreshed from Google Patents.
US3524173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for electrodeposition of anisotropic magnetic films and a product formed by the process
Assignee: Ampex Corp
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Filing: 1967-05-22
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Granted: 1970-08-11
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Expires: 1987-05-22
Abstract
No abstract record available.
Inventors
- 👤 Irving W Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:49
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/14; H01F41/24; H01F41/26; H01F10/00; H01F10/26; H01F10/265; H01F10/30; Y; Y10; Y10S; Y10S205/00; Y10S205/922; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479
Claims Analysis
Total Claims: 0
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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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |