US3579449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant composition
Assignee: Procter and Gamble Co
•
Filing: 1968-09-26
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Granted: 1971-05-18
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Expires: 1988-09-26
Abstract
Abstract LUBRICANT COMPOSITIONS COMPRISING A MAJOR AMOUNT OF A LUBRICATING BASE FLUID AND A MINOR AMOUNT OF EXTREME PRESSURE ADDITIVES WHICH CONTAIN EITHER A METHYLENE, MONOHALOMETHYLENE OR DIHALOMETHYLENE GROUP BETWEEN TWO MOIETIES SELECTED FROM THE GROUP CONSISTING OF PHOSPHONO, DIHYDROCARBYLPHOSPHORYL, PHENYL, SUBSTITUTED PHENYL, KETO, CYANO, AND CARBOXYLATE ESTER MOIETIES.
Inventors
- 👤 Robert Earl Wann
- 👤 Denzel Allan Nicholson
- 👤 Ted Joe Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:51
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/12; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C07F9/4025; C07F9/4037; C10M131/00; C10M131/02; C10M131/04; C10M131/08; C10M131/12; C10M133/00; C10M133/02; C10M133/24; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/041; C10M2201/042; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/026; C10M2207/04; C10M2207/08; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/287; C10M2207/30; C10M2207/302; C10M2207/304; C10M2207/32; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/082; C10M2209/084; C10M2209/10; C10M2209/101; C10M2209/102; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/109; C10M2209/11; C10M2209/111; C10M2209/112; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/04; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/16; C10M2215/20; C10M2215/202; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/042; C10M2219/06; C10M2219/08; C10M2219/082; C10M2219/084; C10M2221/00; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/061; C10M2223/065; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |