US2392738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of aromatizing hydrocarbons
Assignee: Standard Oil Development Co
•
Filing: 1944-08-26
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Granted: 1946-01-08
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Expires: 1964-08-26
Abstract
No abstract record available.
Inventors
- 👤 Clinton H Holder
- 👤 Jr Albert B Welty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:38
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/373; C07C5/393; C07C5/41; C07C5/412
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) | 1949-01-07 | 1949-07-09 | 1950-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-07 | 1953-07-09 | 1954-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-07 | 1957-07-09 | 1958-01-08 | $7700.00 | Window Closed / Lapsed |