US2653862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoisopropyl amine as an octane improver of leaded gasoline
Assignee: Phillips Petroleum Co
•
Filing: 1949-03-03
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Granted: 1953-09-29
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Expires: 1969-03-03
Abstract
No abstract record available.
Inventors
- 👤 Harold M Trimble
- 👤 Leo A Mcreynolds
- 👤 Mitacek Bill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:51
CPC Classifications
C; C10; C10L; C10L1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A COMPOSITION OF MATTER BOILING IN THE GASOLINE BOILING RANGE AND CONSISTING ESSENTIALLY OF GASOLINE; A SMALL PROPORTION OF TETRAETHYL LEAD: AND BETWEEN 1 PER CENT AND 20 PER CENT BY VOLUME OF MONOISOPROPYLAMINE.
Claim 2
Dependent Claim
34 words
A COMPOSITION OF MATTER BOILING IN THE GASOLINE BOILING RANGE AND CONSISTING ESSENTIALLY OF GASOLINE; A SMALL PROPORTION OF TETRAETHYL LEAD: AND BETWEEN 1 PER CENT AND 20 PER CENT BY VOLUME OF MONOISOPROPYLAMINE.
References Cited (Backward Citations)
US2324118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |