US3472775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic ester lubricant base fluid containing a polyester thickener
Assignee: Millennium Petrochemicals Inc
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Filing: 1968-08-14
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Granted: 1969-10-14
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Expires: 1988-08-14
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Boehringer
- 👤 Robert D Aylesworth
- 👤 Walter E Utz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:17
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/40; C08G63/42; C10; C10M; C10M105/00; C10M105/08; C10M105/32; C10M145/00; C10M145/18; C10M145/22; C10M169/00; C10M169/04; C10M169/041; C10M3/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/2805; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/30; C10M2207/302; C10M2207/304; C10M2207/34; C10M2207/345; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/102; C10M2209/11; C10M2209/111; C10M2209/112; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1786248A
Cited
US2424588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |