US3424591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocolloid surface treatment to yield french fried potato products
Assignee: Dow Chemical Co
•
Filing: 1965-06-09
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Granted: 1969-01-28
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Expires: 1985-06-09
Abstract
No abstract record available.
Inventors
- 👤 William L Gold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:51
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/16; A23B7/06; A23L; A23L19/00; A23L19/10; A23L19/12; A23L19/18; A23P; A23P20/00; A23P20/10; A23P20/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2498024A
Cited
US3114639A
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US3085020A
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US3131068A
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US3109739A
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US3175914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |