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US3485785A
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Ethylene interpolymer compositions and processes
Assignee: HARRY D ANSPON
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Filing: 1968-03-28
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Granted: 1969-12-23
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Expires: 1988-03-28
Abstract
No abstract record available.
Inventors
- 👤 Harry D Anspon
- 👤 Jack Hurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:16
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08F; C08F8/00; C08F8/12; C08F8/30; C08F8/32; C08F8/44; C08F2800/00; C08F2800/20; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/08; D; D21; D21H; D21H11/00; D21H11/02; D21H11/04; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3337488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |