Patent US2984871A successfully refreshed from Google Patents.
US2984871A
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Dry process molding of hard ferrite powders
Assignee: Steatite Research Corp
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Filing: 1959-06-04
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Granted: 1961-05-23
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Expires: 1979-06-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Venerus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:05
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/02; C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/2683; Y; Y10; Y10S; Y10S264/00; Y10S264/58; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA558366A
Cited
US1930788A
Cited
US2064773A
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US2437127A
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US2873048A
Cited
US2742185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |