US3062743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extreme pressure lubricant additive and lubricant composition
Assignee: Pure Oil Co
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Filing: 1959-10-30
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Granted: 1962-11-06
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Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Allan A Manteuffel
- 👤 Warren W Cortiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:13
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2223/00; C10M2223/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
AN EXTREME-PRESSURE LUBRICANT CONSISTING ESSENTIALLY OF A PETROLEUM LUBRICATING OIL, SUFFICIENT AMOUNT OF A PHOSPHORIZED AND SULFURIZED FATTY MATERIAL TO IMPART EXTREME-PRESSURE PROPERTIES TO THE OIL, AND 0.25-10% WT., BASED ON THE PHOSPHORIZED AND SULFURIZED FATTY MATERIAL, OF A POLYETHOXYDIAMINE OF THE FORMULA
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |