US3385910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric light stabilizers and compositions thereof
Assignee: EIDP Inc
•
Filing: 1964-04-15
•
Granted: 1968-05-28
•
Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 Tocker Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:48
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/123; C08G63/133; C08L; C08L101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2943076A
Cited
US2983708A
Cited
US3200086A
Cited
US3234167A
Cited
US3265760A
Cited
US3173893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |