US2657985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saturated hydrocarbon compositions
Assignee: Standard Oil Development Co
•
Filing: 1950-09-25
•
Granted: 1953-11-03
•
Expires: 1970-09-25
Abstract
No abstract record available.
Inventors
- 👤 Henry G Schutze
- 👤 Harry E Cier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:09
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10L1/06; C07; C07C; C07C9/00; C07C9/14; C07C9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A COMPOSITION ADAPTED FOR USE AS A MOTOR FUEL CONSISTING OF 2,2,3-TRIMETHYLBUTANE, 2,2,3,3TETRAMETHYLBUTANE, AND 2,2,3,3,4 - PENTAMETHYLPENTANE INTHE APPROXIMATE RATIO OF 2:4:2.
Claim 2
Dependent Claim
22 words
A COMPOSITION ADAPTED FOR USE AS A MOTOR FUEL CONSISTING OF 2,2,3-TRIMETHYLBUTANE, 2,2,3,3TETRAMETHYLBUTANE, AND 2,2,3,3,4 - PENTAMETHYLPENTANE INTHE APPROXIMATE RATIO OF 2:4:2.
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) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |