US3403145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acetylation of cellulose
Assignee: Rayonier Inc
•
Filing: 1967-06-26
•
Granted: 1968-09-24
•
Expires: 1987-06-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Dexter Edge
- 👤 Michael D Fahey
- 👤 Robert G Rickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:03
CPC Classifications
C; C08; C08B; C08B3/00; C08B3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1030311A
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US1880466A
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US1995732A
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US2028761A
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US1898687A
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US2772944A
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US2780511A
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US3051543A
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US3037902A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |