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Patent US3437465A successfully refreshed from Google Patents.
US3437465A
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US
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Combustion process and fuel compositions
Assignee: Lubrizol Corp
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Filing: 1968-01-24
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Granted: 1969-04-08
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Expires: 1988-01-24
Abstract
No abstract record available.
Inventors
- 👤 William M Lesuer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:09
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/106; C10L1/12; C10L1/1233; C10L1/1275; C10L1/14; C10L1/18; C10L1/182; C10L1/1828; C10L1/192; C10L1/198; C10L1/24; C10L1/2431; C10L1/2437; C10L1/26; C10L1/2608; C10L1/30; C10L1/301
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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |