Patent US3211539A successfully refreshed from Google Patents.
US3211539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Additive for fuels
Assignee: Individual
•
Filing: 1962-03-29
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Granted: 1965-10-12
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Phillips Walt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:49
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; Y; Y10; Y10S; Y10S48/00; Y10S48/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
AS A COMPOSITION OF MATTER, A MIXTURE CONTAINING AS ITS ESSENTIAL COMPONENTS FUEL OIL MIXED WITH HEPTADECANOL IN THE PROPORTION OF ABOUT 0.5 CC. HEPTADECANOL PER 15 GALLONS FUEL OIL.
Claim 2
Dependent Claim
30 words
AS A COMPOSITION OF MATTER, A MIXTURE CONTAINING AS ITS ESSENTIAL COMPONENTS FUEL OIL MIXED WITH HEPTADECANOL IN THE PROPORTION OF ABOUT 0.5 CC. HEPTADECANOL PER 15 GALLONS FUEL OIL.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |