US3485797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenolic resins containing benzylic ether linkages and unsubstituted para positions
Assignee: Ashland LLC
•
Filing: 1966-03-14
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Granted: 1969-12-23
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Janis Robins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:12
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/54; C08G18/542; C07; C07C; C07C37/00; C07C37/11; C07C37/20; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/178; C07C43/1782; C07C43/1785; C08G8/00; C08G8/04; C08G8/08; C08G8/10; C08G8/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1126926A
Cited
US2499368A
Cited
US2501015A
Cited
US3332911A
Cited
US3409571A
Cited
US3409579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |