US2486633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of hydrocarbons
Assignee: Phillips Petroleum Co
•
Filing: 1945-09-10
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Granted: 1949-11-01
•
Expires: 1965-09-10
Abstract
No abstract record available.
Inventors
- 👤 Clark Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:29
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/06; Y; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/911; Y10S585/914; Y10S585/929; Y10S585/943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1984380A
Cited
US2167004A
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US2247087A
Cited
US2244196A
Cited
US2161974A
Cited
US2406851A
Cited
US2417164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |