US3467597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grafted terpolymers,their process of production,and use as additives for lubricants and fuels
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-11-22
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Granted: 1969-09-16
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Expires: 1986-11-22
Abstract
No abstract record available.
Inventors
- 👤 Norman Tunkel
- 👤 Harold N Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:14
CPC Classifications
C; C10; C10M; C10M145/00; C10M145/02; C10M145/10; C10M145/16; C08; C08F; C08F255/00; C08F255/02; C08F263/00; C08F263/02; C08F263/04; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/192; C10L1/195; C10M145/06; C10M145/08; C10M145/12; C10M145/14; C10L1/196; C10L1/1963; C10L1/1966; C10L1/197; C10L1/1973; C10M2201/00; C10M2201/08; C10M2201/082; C10M2201/083; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/04; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/082; C10M2209/084; C10M2209/086; C10M2211/00; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/20; C10M2215/202; C10M2215/24; C10M2215/26; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3304261A
Cited
US3341309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |