US2902984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compression-ignition engine operation
Assignee: Phillips Petroleum Co
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Filing: 1957-12-20
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Granted: 1959-09-08
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Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
- 👤 Homer M Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:03
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF OPERATING A COMPRESSION-IGNITION ENGINE, WHICH METHOD COMPRISES: COMPRESSING A CHARGE COMPRISING AIR IN A CYLINDER OF SAID ENGINE; AND INJECTING A LIQUID HYDROCARBON FUEL HAVING AN ORGANIC SULFENAMIDE IN AN AMOUNT WITHIN THE RANGE OF 0.1 TO 10 VOLUME PERCENT ADMIXED THEREWITH INTO SAID COMPRESSED CHARGE, SAID AMOUNT BEING SUFFICIENT TO ACCELERATE THE IGNITION OF SAID FUEL, AND SAID SULFEMAMIDE BEING CHARACTERIZED BY THE FORMULA
Claim 2
Independent Claim
68 words
THE METHOD OF OPERATING A COMPRESSION-IGNITION ENGINE, WHICH METHOD COMPRISES: COMPRESSING A CHARGE COMPRISING AIR IN A CYLINDER OF SAID ENGINE; AND INJECTING A LIQUID HYDROCARBON FUEL HAVING AN ORGANIC SULFENAMIDE IN AN AMOUNT WITHIN THE RANGE OF 0.1 TO 10 VOLUME PERCENT ADMIXED THEREWITH INTO SAID COMPRESSED CHARGE, SAID AMOUNT BEING SUFFICIENT TO ACCELERATE THE IGNITION OF SAID FUEL, AND SAID SULFEMAMIDE BEING CHARACTERIZED BY THE FORMULA
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) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |