US2496930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition useful as gum inhibitor for motor fuels
Assignee: Eastman Kodak Co
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Filing: 1946-07-09
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Granted: 1950-02-07
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Expires: 1966-07-09
Abstract
No abstract record available.
Inventors
- 👤 Marshall R Brimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:05
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/223; C10L1/103
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
33 words
A COMPOSITION USEFUL AS A GUM INHIBITOR FOR MOTOR FUELS CONSISTING OF A MIXTURE OF N,N'' -DIISOPROPYL-P-PHENYLENEDIAMINE AND ANILINE, THE ANILINE CONSTITUTING FROM ABOUT 0.5 TO ABOUT 85% BY WEIGHT OF THE MIXTURE.
References Cited (Backward Citations)
GB385593A
Cited
US2323948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |