Patent US3475369A successfully refreshed from Google Patents.
US3475369A
Expired / Lapsed
US
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Colloidally dispersible alpha-olefin copolymers
Assignee: Hercules LLC
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Filing: 1967-08-25
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Granted: 1969-10-28
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Expires: 1987-08-25
Abstract
No abstract record available.
Inventors
- 👤 Harry W Blunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:15
CPC Classifications
C; C08; C08F; C08F210/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2996459A
Cited
GB979123A
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US3152088A
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US3168506A
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US3272788A
Cited
US3282906A
Cited
US3325461A
Cited
US3210332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |