US3565592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polycarboxylic acid salts of alkylene nitrogen compounds as fuel detergents
Assignee: Individual
•
Filing: 1968-11-14
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Granted: 1971-02-23
•
Expires: 1988-11-14
Abstract
Abstract ALIPHATIC POLYCARBOXYLIC ACID SALTS OF AMINE NITROGEN CONTAINING COMPOUNDS FIND USE AS FUEL DETERGENTS HAVING IMPROVED WATER TOLERANCE.
Inventors
- 👤 Enver Mehmedbasich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:10
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |