Patent US2934501A successfully refreshed from Google Patents.
US2934501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-resistant functional fluid and lubricant composition
Assignee: Douglas Aircraft Co Inc
•
Filing: 1956-09-21
•
Granted: 1960-04-26
•
Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Douglas H Moreton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:33
CPC Classifications
C; C10; C10M; C10M3/00; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/04; C10M2205/06; C10M2207/00; C10M2207/04; C10M2207/042; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/065; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
THE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF PHOSPHONATE HAVING THREE ORGANIC RADICALS OF THE GROUP CONSISTING OF PHENYL, CRESYL, XYLYL, ALKYL WITH FROM 4 TO 10 CARBON ATOMS, AND ALKOXY ALKYL WITH FROM 3 TO 6 CARBON ATOMS, AND A SUFFICENT PORTION WITHIN THE RANGE OF ABOUT 15 TO 50 PERCENT OF NORMALLY LIQUID HALOGENATED HYDROCARBON LIQUID AT TEMPERATURES WITHIN THE RANGE OF ABOUT -20*C. TO 200*C. EFFECTIVE TO INCREASE THE FIRE-RESISTANCE AND EXTREME PRESSURE PROPERTIES OF THE ESTER.
Claim 2
Dependent Claim
81 words
THE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF PHOSPHONATE HAVING THREE ORGANIC RADICALS OF THE GROUP CONSISTING OF PHENYL, CRESYL, XYLYL, ALKYL WITH FROM 4 TO 10 CARBON ATOMS, AND ALKOXY ALKYL WITH FROM 3 TO 6 CARBON ATOMS, AND A SUFFICENT PORTION WITHIN THE RANGE OF ABOUT 15 TO 50 PERCENT OF NORMALLY LIQUID HALOGENATED HYDROCARBON LIQUID AT TEMPERATURES WITHIN THE RANGE OF ABOUT -20*C. TO 200*C. EFFECTIVE TO INCREASE THE FIRE-RESISTANCE AND EXTREME PRESSURE PROPERTIES OF THE ESTER.
Claim 3
Dependent Claim
44 words
A FIRE-RESISTANT FUNCTION FLUID AND LUBRICANT CONSISTING ESSENTIALLY OF A MAJOR PROPORTION DI-OCTYL PHENYL PHOSPHONATE AND A SMALLER BUT SUFFICENT PROPORTION WITHIN THE RANGE OF ABOUT 15 TO 50 PERCENT OF HEAXCHLOROPROPYLENE TO INCREASE THE FIRE RESISTANCE AND EXTREME PRESSURE PROPERTIES OF THE PHOSPHONATE.
Claim 4
Dependent Claim
44 words
A FIRE-RESISTANT FUNCTION FLUID AND LUBRICANT CONSISTING ESSENTIALLY OF A MAJOR PROPORTION DI-OCTYL PHENYL PHOSPHONATE AND A SMALLER BUT SUFFICENT PROPORTION WITHIN THE RANGE OF ABOUT 15 TO 50 PERCENT OF HEAXCHLOROPROPYLENE TO INCREASE THE FIRE RESISTANCE AND EXTREME PRESSURE PROPERTIES OF THE PHOSPHONATE.
References Cited (Backward Citations)
US2245649A
Cited
US2413170A
Cited
US2502392A
Cited
US2442741A
Cited
US2509620A
Cited
US2528348A
Cited
US2583588A
Cited
US2636861A
Cited
US2707176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |