US3759827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions
Assignee: Dow Silicones Corp
•
Filing: 1970-09-29
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Granted: 1973-09-18
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Expires: 1990-09-29
Abstract
Abstract DIESTERS OF 1,4,5,6,7,7-HEXACHLOROBICYCLO (2.2.1)-HEPT-5ENE-2,3-DICARBOXYLIC ACID ARE LUBRICANT ADDITIVES FOR IMPROVING THE PERFORMANCE OF SILICONE OIL AND GREASE.
Inventors
- 👤 E Groenhof
- 👤 T Swihart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:52
CPC Classifications
C; C10; C10M; C10M169/00; C10M169/04; C10M107/00; C10M107/50; C10M131/00; C10M131/08; C10M131/12; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/068; C10M2215/08; C10M2215/082; C10M2215/10; C10M2215/102; C10M2215/16; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/225; C10M2215/226; C10M2215/227; C10M2215/24; C10M2215/28; C10M2215/30; C10M2229/00; C10M2229/02; C10M2229/025; C10M2229/04; C10M2229/0405; C10M2229/041; C10M2229/0415; C10M2229/042; C10M2229/0425; C10M2229/043; C10M2229/0435; C10M2229/044; C10M2229/0445; C10M2229/045; C10M2229/0455; C10M2229/046; C10M2229/0465; C10M2229/047; C10M2229/0475; C10M2229/048; C10M2229/0485; C10M2229/05; C10M2229/0505; C10M2229/051; C10M2229/0515; C10M2229/052; C10M2229/0525; C10M2229/053; C10M2229/0535; C10M2229/054; C10M2229/0545; C10N; C10N2010/00; C10N2010/02; C10N2020/00; C10N2020/01
Claims Analysis
Total Claims: 0
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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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |