US3709957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene blends of ethylenemethacrylic acid copolymer and polyethylene
Assignee: EIDP Inc
•
Filing: 1964-09-02
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Granted: 1973-01-09
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Expires: 1984-09-02
Abstract
Abstract POLYMERIC BLENDS CONSISTING OF ETHYLENE-METHACRYLIC ACID COPOLYMERS AND POLYETHYLENE.
Inventors
- 👤 D Brebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:29
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/08; C08L23/0846; C08L23/0869
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |