US3240704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions having oilsoluble phosphorus-containing condensation products
Assignee: Sinclair Research Inc
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Filing: 1961-01-30
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Granted: 1966-03-15
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Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 John W Nelson
- 👤 Howard J Matson
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:47
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/304; C10M2207/34; C10M2207/40; C10M2207/402; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/102; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/047; C10M2223/12; C10M2223/121; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
AN OLEAGINOUS LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL BASE OIL OF LUBRICATING VISCOSITY AND AN AMOUNT SUFFICIENT TO GIVE IMPROVED ANTIOXIDANT AND EXTREME PRESSURE PROPERTIES TO THE COMPOSITION OF AN OIL-SOLUBLE CONDENSATION PRODUCT HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
38 words
AN OLEAGINOUS LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL BASE OIL OF LUBRICATING VISCOSITY AND AN AMOUNT SUFFICIENT TO GIVE IMPROVED ANTIOXIDANT AND EXTREME PRESSURE PROPERTIES TO THE COMPOSITION OF AN OIL-SOLUBLE CONDENSATION PRODUCT HAVING THE STRUCTURAL FORMULA:
Claim 3
Dependent Claim
38 words
AN OLEAGINOUS LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL BASE OIL OF LUBRICATING VISCOSITY AND AN AMOUNT SUFFICIENT TO GIVE IMPROVED ANTIOXIDANT AND EXTREME PRESSURE PROPERTIES TO THE COMPOSITION OF AN OIL-SOLUBLE CONDENSATION PRODUCT HAVING THE STRUCTURAL FORMULA:
Claim 4
Dependent Claim
38 words
AN OLEAGINOUS LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL BASE OIL OF LUBRICATING VISCOSITY AND AN AMOUNT SUFFICIENT TO GIVE IMPROVED ANTIOXIDANT AND EXTREME PRESSURE PROPERTIES TO THE COMPOSITION OF AN OIL-SOLUBLE CONDENSATION PRODUCT HAVING THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
US2234379A
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US2220845A
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US2357211A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |