US3464974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starch derivatives
Assignee: Unilever Bestfoods North America
•
Filing: 1967-03-13
•
Granted: 1969-09-02
•
Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Robert E Gramera
- 👤 David H Le Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:26
CPC Classifications
C; C08; C08B; C08B31/00; C08B31/08; C08B31/12; C08B31/125; D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2656241A
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US2668096A
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US2972606A
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US2933367A
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US3146228A
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US3329672A
Cited
US3331833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |