US3413378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graft copolymers of nitrile groups on polyamide substrates
Assignee: EIDP Inc
•
Filing: 1966-11-14
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Granted: 1968-11-26
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Magat Eugene Edward
- 👤 Tanner David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:58
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/18; D06M14/26; D06M14/30; D06M14/34; C; C08; C08F; C08F283/00; C08F283/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB679562A
Cited
US3115418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |