US2684336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicone lubricant containing trialkyl phosphate
Assignee: Douglas Aircraft Co Inc
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Filing: 1950-06-02
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Granted: 1954-07-20
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Expires: 1970-06-02
Abstract
No abstract record available.
Inventors
- 👤 Douglas H Moreton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:28
CPC Classifications
C; C10; C10M; C10M3/00; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
THE LIQUID LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A LIQUID DIMETHYL SILICONE POLYMER LUBRICANT AND A SUFFICIENT PROPORTION OF TRIALKYL PHOSPHATE IN WHICH THE ALKYL GROUPS HAVE FROM ABOUT 3 TO 10 CARBON ATOMS PER ALKYL GROUP TO INCREASE THE ANTI-SEIZE LUBRICATING PROPERTY OF SAID COMPOSITION OVER THAT OF SAID DIMETHYL SILICONE POLYMER.
Claim 2
Dependent Claim
52 words
THE LIQUID LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A LIQUID DIMETHYL SILICONE POLYMER LUBRICANT AND A SUFFICIENT PROPORTION OF TRIALKYL PHOSPHATE IN WHICH THE ALKYL GROUPS HAVE FROM ABOUT 3 TO 10 CARBON ATOMS PER ALKYL GROUP TO INCREASE THE ANTI-SEIZE LUBRICATING PROPERTY OF SAID COMPOSITION OVER THAT OF SAID DIMETHYL SILICONE POLYMER.
References Cited (Backward Citations)
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Cited
US2435124A
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US2442741A
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US2456642A
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US2528535A
Cited
US2486493A
Cited
US2618600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |