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US2560602A Expired / Lapsed US ⏱️ 0.0 years remaining

Fuel composition

Assignee: Phillips Petroleum Co
•
Filing: 1946-04-09
•
Granted: 1951-07-17
•
Expires: 1966-04-09
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Abstract

No abstract record available.

Inventors

  • 👤 Walter A Schulze
  • 👤 John E Mahan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:04
CPC Classifications
C; C10; C10L; C10L1/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 42 words
A FUEL COMPOSITION HAVING GASOLINE CHARACTERISTICS, IMPROVED RICH MIXTURE PERFORMANCE AND LEAD RESPONSE WHICH CONSISTS ESSENTIALLY OF BRANCHED CHAIN PARAFFIN HYDROCARBONS HAVING BETWEEN FIVE AND NINE CARBON ATOMS PER MOLECULE; AND FROM ONE TO TWENTY VOLUME PER CENT AT LEAST ONE PICOLINE.
Claim 2
Dependent Claim 42 words
A FUEL COMPOSITION HAVING GASOLINE CHARACTERISTICS, IMPROVED RICH MIXTURE PERFORMANCE AND LEAD RESPONSE WHICH CONSISTS ESSENTIALLY OF BRANCHED CHAIN PARAFFIN HYDROCARBONS HAVING BETWEEN FIVE AND NINE CARBON ATOMS PER MOLECULE; AND FROM ONE TO TWENTY VOLUME PER CENT AT LEAST ONE PICOLINE.

References Cited (Backward Citations)

US1524674A Cited
US2407716A Cited
US2401983A Cited
US2409157A Cited
US2409156A Cited
US2407717A Cited
US2406667A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-07-16 1955-01-15 1955-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-07-16 1959-01-15 1959-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-07-16 1963-01-15 1963-07-17 $7700.00 Window Closed / Lapsed

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