US2934048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition
Assignee: Sinclair Refining Co
•
Filing: 1955-10-13
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Granted: 1960-04-26
•
Expires: 1975-10-13
Abstract
No abstract record available.
Inventors
- 👤 Hobert D Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:08
CPC Classifications
C; C10; C10L; C10L1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A STARTISNG FLUID FOR COMPRESSION IGNITION ENGINES CONSISTING ESSENTIALLY OF ABOUT 10 TO 70 PERCENT BY VOLUME OF AN ALKYL ETHER OF 4 CARBON ATOMS, ABOUT 10 TO 70 PERCENT BY VOLUME OF AN ALKYL NITRATE OF FROM 4 TO 8 CARBON ATOMS, AND ABOUT 10 TO 60 PERCENT BY VOLUME OF A PREDOMINANTLY STRAIGHT CHAIN PARAFFINIC, LOW POUR POINT, LIGHT CLOSE CUT PETROLEUM FRACTION BOILING WITHIN THE APPROXIMATE RANGE OF 200 TO 350*F. AND CONTAINING FROM 7 TO 10 CARBON ATOMS.
Claim 2
Dependent Claim
82 words
A STARTISNG FLUID FOR COMPRESSION IGNITION ENGINES CONSISTING ESSENTIALLY OF ABOUT 10 TO 70 PERCENT BY VOLUME OF AN ALKYL ETHER OF 4 CARBON ATOMS, ABOUT 10 TO 70 PERCENT BY VOLUME OF AN ALKYL NITRATE OF FROM 4 TO 8 CARBON ATOMS, AND ABOUT 10 TO 60 PERCENT BY VOLUME OF A PREDOMINANTLY STRAIGHT CHAIN PARAFFINIC, LOW POUR POINT, LIGHT CLOSE CUT PETROLEUM FRACTION BOILING WITHIN THE APPROXIMATE RANGE OF 200 TO 350*F. AND CONTAINING FROM 7 TO 10 CARBON ATOMS.
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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |