Patent US3402223A successfully refreshed from Google Patents.
US3402223A
Expired / Lapsed
US
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High molecular weight ethylene copolymer and low molecular weight ethylene-vinyl acetate copolymer blend
Assignee: Union Carbide Corp
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Filing: 1966-03-23
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Granted: 1968-09-17
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Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 Hollingsworth John Burton Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:51
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C08L23/0853; C08L23/0869; C08L2205/00; C08L2205/02; C08L2205/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB582093A
Cited
US3183283A
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US3156666A
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US3231636A
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US3219728A
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US2953541A
Cited
US3182101A
Cited
US3248359A
Cited
US3203921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |