US3423239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the continuous production of starch degradation products
Assignee: West Virginia Pulp and Paper Co
•
Filing: 1965-04-19
•
Granted: 1969-01-21
•
Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 Hanno Goos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:14
CPC Classifications
G; G01; G01N; G01N11/00; G01N11/02; G01N11/04; G01N11/08; C; C08; C08B; C08B30/00; C08B30/12; C13; C13K; C13K1/00; C13K1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2325573A
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US2359763A
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US2565404A
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US2946706A
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US2845367A
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US3169083A
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US3308037A
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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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |