US3468639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasolines containing deposit-reducing monoamides of polyamines characterized by improved water tolerance
Assignee: Chevron USA Inc
•
Filing: 1965-08-06
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Granted: 1969-09-23
•
Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 Eddie G Lindstrom
- 👤 Maurice R Barusch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:11
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224; C10L1/232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1692784A
Cited
US2604451A
Cited
US2718503A
Cited
US2805135A
Cited
US2975133A
Cited
US2922708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |