US3408420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silane-modified olefinic copolymers
Assignee: EIDP Inc
•
Filing: 1965-03-19
•
Granted: 1968-10-29
•
Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Wiggill John Bentley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:04
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/04; C08K9/06; C08F; C08F8/00; C08F8/42; C08K9/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2646425A
Cited
US2434179A
Cited
US2399653A
Cited
GB834326A
Cited
US3027357A
Cited
US3252825A
Cited
GB949126A
Cited
FR1315316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |