US3391846A
Expired / Lapsed
US
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Heating with antiferromagnetic particles in a high frequency magnetic field
Assignee: EIDP Inc
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Filing: 1964-04-02
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Granted: 1968-07-09
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Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Jerome R White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:29
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/14; B29C65/1403; B29C65/1425; B29C65/1429; B29C65/1435; B29C65/1477; B29C65/1483; B29C65/34; B29C65/36; B29C65/3604; B29C65/3608; B29C65/3612; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/4855; B29C65/4865; B29C65/487; B29C65/4875; B29C66/00; B29C66/006; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91411; B29C66/9161; B29C66/91651; B29C66/919; B29C66/9192; B29C66/91921; B32; B32B; B32B27/00; H; H01; H01F; H01F1/00; H01F1/0009; B29C65/3672; B29C65/3676; B29C65/368; B29C65/4885; B29C65/489; B29C66/70; B29C66/71; B29C66/73; B29C66/739; B29C66/7392; B29C66/94; B29C66/949; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/257; Y10T428/28; Y10T428/2813; Y10T428/2852; Y10T428/2857
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2280771A
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US2087480A
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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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |