US3699057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication
Assignee: FREELAND CHEM Co
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Filing: 1970-01-30
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Granted: 1972-10-17
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Expires: 1990-01-30
Abstract
Abstract AQUEOUS SOLUTION OF POLY(ETHYLENE OXIDE) OF MOLECULAR WEIGHT 1,000,000 TO 5,000,000 MAKES VERY EFFECTIVE LUBRICANT FOR RUBBER, PARTICULARLY FOR MOUNTING RUBBER TIRES ON DROP-CENTER METAL WHEELS. ADDING TO THE SOLUTION N,NDIETHANOL COCONUT FATTY ACID AMIDE AND N,N-DEITHANOLAMINE SALT OF LONG CHAIN FATTY ACID, IMPROVES IT AND ALSO INHIBITS RUSTING OF WHEELS MADE OF FERROUS METAL. ISOPROPANOL CAN ALSO BE PRESENT IN SOLUTION AND STABILIZERS THE POLY(ETHYLENE OXIDE).
Inventors
- 👤 John J Halko Sr
- 👤 Andrew R Halko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:18
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10N; C10N2020/00; C10N2020/01; C10N2050/00; C10N2050/01
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) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |