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Patent US2370161A successfully refreshed from Google Patents.
US2370161A
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US
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High frequency apparatus for heating organic material
Assignee: Leland Stanford Junior University
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Filing: 1940-02-10
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Granted: 1945-02-27
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Expires: 1960-02-10
Abstract
No abstract record available.
Inventors
- 👤 William W Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:33
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; A; A61; A61N; A61N1/00; A61N1/40; A61N1/403; H; H05; H05B; H05B6/00; H05B6/64; H05B6/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-02-27 | 1948-08-28 | 1949-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-27 | 1952-08-28 | 1953-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-27 | 1956-08-28 | 1957-02-27 | $7700.00 | Window Closed / Lapsed |