US3393249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for production of alkylate
Assignee: Phillips Petroleum Co
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Filing: 1963-11-01
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Granted: 1968-07-16
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Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Homer M Fox
- 👤 Forrest N Ruehlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:18
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/861; C07C15/00; C07C15/02; C07C15/107; C25; C25B; C25B3/00; C25B3/01; C25B3/03; C25B3/11; C25B3/20; C25B3/27; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/93; Y10S585/935
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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |