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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
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Expires: 1965-11-23
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Abstract

No abstract record available.

Inventors

  • 👤 Claude W Watson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 12:34
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)

US2213415A Cited
US2248099A Cited
US2244196A Cited
US2243869A Cited
US2257293A Cited
US2318602A Cited
US2351248A Cited
US2347682A Cited
US2417164A Cited

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

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