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Patent US3514434A successfully refreshed from Google Patents.
US3514434A
Expired / Lapsed
US
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Process for the polymerization of aliphatic mono-1-olefins and catalyst therefor
Assignee: Phillips Petroleum Co
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Filing: 1965-02-15
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Granted: 1970-05-26
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Lawrence M Fodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:03
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |