US2472219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of hydrocarbons
Assignee: Standard Oil Co
•
Filing: 1945-02-13
•
Granted: 1949-06-07
•
Expires: 1965-02-13
Abstract
No abstract record available.
Inventors
- 👤 Leland R Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:13
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0485; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1201850A
Cited
US2248099A
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US2224049A
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US2164403A
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US2183146A
Cited
US2234941A
Cited
US2347682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |