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US2490744A
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Antirust agent
Assignee: ExxonMobil Oil Corp
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Filing: 1947-02-08
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Granted: 1949-12-06
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Expires: 1967-02-08
Abstract
No abstract record available.
Inventors
- 👤 Hastings S Trigg
- 👤 Henry D Norris
- 👤 Ralph V White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:39
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/086; C10M2215/12; C10M2215/24; C10M2215/28; C10N; C10N2040/00; C10N2040/135
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) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |