Patent US4720620A successfully refreshed from Google Patents.
Patent US2543514A successfully refreshed from Google Patents.
US2543514A
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Supplementary fuel
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1948-01-10
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Granted: 1951-02-27
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Expires: 1968-01-10
Abstract
No abstract record available.
Inventors
- 👤 Carroll H Van Hartesveldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/02; C10L1/023; C10L1/10; C10L1/12; C10L1/1233; C10L1/125; C10L1/14; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/26; C10L1/2633; C10L1/2641; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A SUPPLEMENTARY ANTI-DETONANT FUEL ADAPTED FOR PERIODIC INTRODUCTION INTO A MAIN HYDROCARBON POWER FUEL-AIR MIXTURE AND CONSISTING ESSENTIALLY OF FROM 3 TO 6 CC. OF TETRAETHYL LEAD PER GALLON OF SUPPLEMENTARY FUEL, AN AQUEOUS SOLUTION CONSISTING OF FROM 80 TO 95% BY VOLUME MENTHANOL AND THE BALANCE WATER, AND FROM 0.1 TO 15 CC. PER GALLON OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIMETHYL PHOSPHATE AND TRIMETHYL PHOSPHITE.
Claim 2
Dependent Claim
70 words
A SUPPLEMENTARY ANTI-DETONANT FUEL ADAPTED FOR PERIODIC INTRODUCTION INTO A MAIN HYDROCARBON POWER FUEL-AIR MIXTURE AND CONSISTING ESSENTIALLY OF FROM 3 TO 6 CC. OF TETRAETHYL LEAD PER GALLON OF SUPPLEMENTARY FUEL, AN AQUEOUS SOLUTION CONSISTING OF FROM 80 TO 95% BY VOLUME MENTHANOL AND THE BALANCE WATER, AND FROM 0.1 TO 15 CC. PER GALLON OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIMETHYL PHOSPHATE AND TRIMETHYL PHOSPHITE.
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) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |