Patent US2972197A successfully refreshed from Google Patents.
US2972197A
Expired / Lapsed
US
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Continuous vibratory heating apparatus
Assignee: Rice Growers Association of California
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Filing: 1954-07-19
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Granted: 1961-02-21
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Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 Robert R Mickus
- 👤 George W Brewer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:51
CPC Classifications
A; A23; A23N; A23N12/00; A23N12/08; A23N12/083; A23P; A23P30/00; A23P30/30; A23P30/38; Y; Y10; Y10S; Y10S198/00; Y10S198/952
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US836325A
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US1043158A
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US1672274A
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US2024934A
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US2192041A
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US2284671A
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US2586818A
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US2541859A
Cited
US2666711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |