Patent US3454508A successfully refreshed from Google Patents.
US3454508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymethylol phenol and phenolic resins
Assignee: Rayonier Inc
•
Filing: 1956-11-30
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Granted: 1969-07-08
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Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Franklin W Herrick
- 👤 Louis H Bock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:19
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/10; C08L; C08L61/00; C08L61/04; C08L61/06
Claims Analysis
Total Claims: 0
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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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |