US3399982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent gasoline containing straight-chain tertiary alkyl attached primary amines
Assignee: Chevron USA Inc
•
Filing: 1964-06-08
•
Granted: 1968-09-03
•
Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 George J Kautsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:03
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/26; C10L1/2633; C10L1/2658; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1787789A
Cited
US1954939A
Cited
US2324118A
Cited
US2706677A
Cited
US2684292A
Cited
GB796427A
Cited
US2840461A
Cited
US2945749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |