Patent US3328138A successfully refreshed from Google Patents.
US3328138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel
Assignee: Armour and Co
•
Filing: 1964-03-09
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Granted: 1967-06-27
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Robert E Malec
- 👤 Jr Roy J Betty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:41
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AN IMPROVED FUEL COMPOSITION COMPRISING A MAJOR PORTION OF A HYDROCARBON FUEL, BOILING WITHIN THE GASOLINE BOILING RANGE, HAVING INCORPORATED THEREIN HYDROXAMIC ACID HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
27 words
AN IMPROVED FUEL COMPOSITION COMPRISING A MAJOR PORTION OF A HYDROCARBON FUEL, BOILING WITHIN THE GASOLINE BOILING RANGE, HAVING INCORPORATED THEREIN HYDROXAMIC ACID HAVING THE GENERAL 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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |