Patent US3387378A successfully refreshed from Google Patents.
US3387378A
Expired / Lapsed
US
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Method and apparatus for high frequency treatment of materials
Assignee: CONTROL SYSTEMS Corp
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Filing: 1965-07-02
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Granted: 1968-06-11
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Expires: 1985-07-02
Abstract
No abstract record available.
Inventors
- 👤 Roy R Newsom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:45
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/46; H05B6/48; H05B6/50; G; G05; G05D; G05D22/00; G05D22/02
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) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |