US3453258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of cyclodextrin and unsaturated compounds
Assignee: Unilever Bestfoods North America
•
Filing: 1967-02-20
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Granted: 1969-07-01
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Expires: 1987-02-20
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Parmerter
- 👤 Earle E Allen Jr
- 👤 Glenn A Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:52
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0009; C08B37/0012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2539704A
Cited
US2827452A
Cited
US3210375A
Cited
US3140184A
Cited
US3225028A
Cited
US3222358A
Cited
US3346555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |