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US2465255A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrocarbon conversion process

Assignee: MW Kellogg Co
•
Filing: 1946-07-18
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Granted: 1949-03-22
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Expires: 1966-07-18
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph W Moorman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 17:50
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1881; B01J8/189

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2289329A Cited
US2253486A Cited
US2367281A Cited
US2429359A Cited
US2385326A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-03-21 1952-09-20 1953-03-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-03-21 1956-09-20 1957-03-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-03-21 1960-09-20 1961-03-22 $7700.00 Window Closed / Lapsed

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