US3414530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graft polymers of polyalkylene oxides on starch and dextrin
Assignee: United States Department of Agriculture
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Filing: 1966-02-24
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Granted: 1968-12-03
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Expires: 1986-02-24
Abstract
No abstract record available.
Inventors
- 👤 Zilkha Albert
- 👤 Tahan Menashe
- 👤 Ezra Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:15
CPC Classifications
C; C08; C08G; C08G81/00; C08G81/02; C08B; C08B31/00; C08G65/00; C08G65/02; C08G65/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |