US2463601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of highly branched paraffins into odorless fractions
Assignee: Phillips Petroleum Co
•
Filing: 1945-09-21
•
Granted: 1949-03-08
•
Expires: 1965-09-21
Abstract
No abstract record available.
Inventors
- 👤 Chester C Crawford
- 👤 Lloyd C Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:47
CPC Classifications
C; C07; C07C; C07C9/00; C07C9/14; C07C9/16; C07C7/00; C07C7/005; C07C7/04; C07C7/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2404897A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |