US2567447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Rice Growers Association of California
•
Filing: 1947-05-10
•
Granted: 1951-09-11
•
Expires: 1967-05-10
Abstract
No abstract record available.
Inventors
- 👤 Charles H Ramsden
- 👤 Alva B Court
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:57
CPC Classifications
B; B02; B02B; B02B7/00; B02B7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US705787A
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US2254867A
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US2239608A
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US2334015A
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US2277361A
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US2237798A
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US2287737A
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US2358250A
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US2334666A
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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) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |