US2418993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making an improved gasoline
Assignee: Standard Oil Development Co
•
Filing: 1944-12-28
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Granted: 1947-04-15
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Expires: 1964-12-28
Abstract
No abstract record available.
Inventors
- 👤 William J Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:19
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18; C10G35/00; C10G35/04; C10G35/10; C10G35/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |