US2585981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for catalytic conversion of carbon oxides
Assignee: Texaco Inc
•
Filing: 1945-11-23
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Granted: 1952-02-19
•
Expires: 1965-11-23
Abstract
No abstract record available.
Inventors
- 👤 Claude W Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:45
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0455; C07C1/046; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2248099A
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US2243869A
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US2257293A
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US2347682A
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US2417164A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |