Patent US3704277A successfully refreshed from Google Patents.
US3704277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyphenyl ether lubricating compositions
Assignee: Monsanto Co
•
Filing: 1971-05-03
•
Granted: 1972-11-28
•
Expires: 1991-05-03
Abstract
Abstract COMPOSITION COMPRISING POLYPHENYL ETHERS OR MIXTURES THEREOF AND PERFLUORO ALIPHATIC DIBASIC ACIDS EXHIBIT IMPROVED LUBRICATING PROPERTIES OVER WIDE TEMPERATURE RANGES.
Inventors
- 👤 Frank S Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:17
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/04; C10M2209/00; C10M2209/02; C10M2209/10; C10M2211/00; C10M2211/04; C10M2211/044
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |