US2770608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene composition
Assignee: EIDP Inc
•
Filing: 1954-10-12
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Granted: 1956-11-13
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Expires: 1974-10-12
Abstract
No abstract record available.
Inventors
- 👤 Harold C Barker
- 👤 Ernest E Lewis
- 👤 Jr William B Happoldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:30
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A PLASTIC COMPOSITION COMPRISING SOLID POLYETHYLENE AND 0.1% TO 0.5% BY WEIGHT OF AN AMIDE HAVING THE FORMULA
Claim 2
Dependent Claim
18 words
A PLASTIC COMPOSITION COMPRISING SOLID POLYETHYLENE AND 0.1% TO 0.5% BY WEIGHT OF AN AMIDE HAVING THE FORMULA
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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |