US3239464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extreme pressure lubricant
Assignee: Sinclair Research Inc
•
Filing: 1961-09-05
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Granted: 1966-03-08
•
Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Howard J Matson
- 👤 John W Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:35
CPC Classifications
C; C10; C10M; C10M137/00; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/16; C07F9/165; C07F9/18; C07F9/201; C07F9/205; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4084; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/304; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/047; C10M2223/06; C10M2223/061; C10M2223/065; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
AN OLEAGINOUS LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF A BASE OIL OF LUBRICATING VISCOISTY AND AND AN AMOUNT SUFFICIENT TO GIVE IMPROVED EXTREME PRESSURE PROPERTIES TO THE COMPOSITION OF AN OIL-SOLUBLE COMPOUND RESPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
36 words
AN OLEAGINOUS LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF A BASE OIL OF LUBRICATING VISCOISTY AND AND AN AMOUNT SUFFICIENT TO GIVE IMPROVED EXTREME PRESSURE PROPERTIES TO THE COMPOSITION OF AN OIL-SOLUBLE COMPOUND RESPRESENTED BY THE GENERAL FORMULA:
References Cited (Backward Citations)
CA549739A
Cited
US2395934A
Cited
US2411671A
Cited
US2520090A
Cited
US2643265A
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US2725359A
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US2820766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |