US2463623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the conversion of fluid reactants
Assignee: Universal Oil Products Co
•
Filing: 1944-04-12
•
Granted: 1949-03-08
•
Expires: 1964-04-12
Abstract
No abstract record available.
Inventors
- 👤 Lyman C Huff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:14
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB539383A
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US2259487A
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US2303717A
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US2331433A
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US2311564A
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US2302209A
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US2360787A
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US2337684A
Cited
US2327175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |