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Patent US3395196A successfully refreshed from Google Patents.
US3395196A
Expired / Lapsed
US
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Olefin disproportinoation
Assignee: Phillips Petroleum Co
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Filing: 1964-11-19
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Granted: 1968-07-30
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Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Louis F Heckelsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:04
CPC Classifications
C; C07; C07C; C07C6/00; C07C6/02; C07C6/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2353552A
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US2485965A
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US2614137A
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US2836629A
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US3248443A
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US3261879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |