US2449359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of carbon monoxide and hydrogen from methane
Assignee: ExxonMobil Oil Corp
•
Filing: 1945-01-25
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Granted: 1948-09-14
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Expires: 1965-01-25
Abstract
No abstract record available.
Inventors
- 👤 Armand J Abrams
- 👤 Manuel H Gorin
- 👤 Baker Charles Ovid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:22
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34
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) | 1951-09-14 | 1952-03-15 | 1952-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-14 | 1956-03-15 | 1956-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-14 | 1960-03-15 | 1960-09-14 | $7700.00 | Window Closed / Lapsed |