US2430735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of hydrocarbons
Assignee: ExxonMobil Oil Corp
•
Filing: 1944-11-29
•
Granted: 1947-11-11
•
Expires: 1964-11-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Ray
- 👤 Jacob R Meadow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:46
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/20; C; C10; C10G; C10G11/00; C10G11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2310317A
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US2309137A
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US2310327A
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US2336165A
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US2337640A
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US2372320A
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US2387309A
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US2350159A
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US2378763A
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US2371341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |