US2685833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric heating system for cereals and similar materials
Assignee: Westinghouse Electric Corp
•
Filing: 1949-11-26
•
Granted: 1954-08-10
•
Expires: 1969-11-26
Abstract
No abstract record available.
Inventors
- 👤 Richard H Hagopian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:22
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; H05B6/788; Y; Y10; Y10S; Y10S99/00; Y10S99/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1231883A
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US2064522A
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US1965609A
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US2007874A
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US2195683A
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GB517798A
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US2223813A
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US2509354A
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GB621096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |