US2487909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for use as antioxidant for motor fuels
Assignee: Eastman Kodak Co
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Filing: 1946-10-08
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Granted: 1949-11-15
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Expires: 1966-10-08
Abstract
No abstract record available.
Inventors
- 👤 Bramer Harold Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:50
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/103; C10L1/14; C10L1/18; C10L1/185; C10L1/1857; C10L1/22; C10L1/222; C10L1/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |