Patent US3379771A successfully refreshed from Google Patents.
US3379771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation inhibited polyphenyl ether composition
Assignee: Eastman Kodak Co
•
Filing: 1964-01-15
•
Granted: 1968-04-23
•
Expires: 1984-01-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Gether Irick
- 👤 Gary F Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:13
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/257; C07C43/29
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2282343A
Cited
US2254404A
Cited
US2940929A
Cited
US3159684A
Cited
US3151080A
Cited
US3268478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |