Patent US3033664A successfully refreshed from Google Patents.
US3033664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon distillate fuels
Assignee: BP PLC
•
Filing: 1958-12-22
•
Granted: 1962-05-08
•
Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Pethrick Samuel Richard
- 👤 Mcallan David Tulloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:26
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/232; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/10; C07D233/12; C07D233/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A MOTOR GASOLINE, AT LEAST 40% BY VOLUME OF WHICH DISTILLS OVER AT 100*C., CONTAINING FROM 0.0005-0.05% BY VOLUME OF AN ADDITIVE CONSISTING OF A SUBSTITUTED IMIDAZOLINE HAVING THE FORMULA
Claim 2
Dependent Claim
30 words
A MOTOR GASOLINE, AT LEAST 40% BY VOLUME OF WHICH DISTILLS OVER AT 100*C., CONTAINING FROM 0.0005-0.05% BY VOLUME OF AN ADDITIVE CONSISTING OF A SUBSTITUTED IMIDAZOLINE HAVING THE FORMULA
References Cited (Backward Citations)
US2568876A
Cited
US2668100A
Cited
US2773879A
Cited
US2839371A
Cited
US2825637A
Cited
US2886423A
Cited
US2862800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |