US2504134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deleading of gasoline
Assignee: United States Department of the Army
•
Filing: 1948-05-04
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Granted: 1950-04-18
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Expires: 1968-05-04
Abstract
No abstract record available.
Inventors
- 👤 Morris S Kharasch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:53
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/095; C10G29/00; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
THE PROCESS OF DELEADING GASOLINE CONTAINING TETRAETHYL LEAD WHICH COMPRISES ADDING TO THE GASOLINE A PERHYDROHALIDE CAPABLE OF YIELDING A HYDROGEN HALIDE, AND THEN TREATING THE MIXTURE WITH CHARCOAL TO ADSORB THE REACTION PRODUCT AND SETTLE OUT THE SAME.
Claim 2
Dependent Claim
39 words
THE PROCESS OF DELEADING GASOLINE CONTAINING TETRAETHYL LEAD WHICH COMPRISES ADDING TO THE GASOLINE A PERHYDROHALIDE CAPABLE OF YIELDING A HYDROGEN HALIDE, AND THEN TREATING THE MIXTURE WITH CHARCOAL TO ADSORB THE REACTION PRODUCT AND SETTLE OUT THE SAME.
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) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |