US2363824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1942-10-26
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Granted: 1944-11-28
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Expires: 1962-10-26
Abstract
No abstract record available.
Inventors
- 👤 Wolk I Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:27
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/12; C07C11/16; C07C11/167; C07C11/02; C07C11/08; C07C11/09; C07C5/00; C07C5/22; C07C5/2206; C07C5/2213; C07C5/23; C07C5/25; C07C5/2506; C07C5/27; C07C5/2767; C07C5/277; C07C5/2772; C07C5/32; C07C5/321; C07C5/322; C07C5/327; C07C5/333; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-11-28 | 1948-05-29 | 1948-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-28 | 1952-05-29 | 1952-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-28 | 1956-05-29 | 1956-11-28 | $7700.00 | Window Closed / Lapsed |