US2839464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile oil
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-02-16
•
Granted: 1958-06-17
•
Expires: 1974-02-16
Abstract
No abstract record available.
Inventors
- 👤 Lorne W Sproule
- 👤 James H Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:40
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/53; D06M7/00; C; C10; C10M; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/28; C10M2207/287; C10M2207/289; C10N; C10N2040/00; C10N2040/46; D06M2200/00; D06M2200/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |