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US2487795A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrocarbon conversion process

Assignee: ExxonMobil Oil Corp
•
Filing: 1947-12-20
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Granted: 1949-11-15
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Expires: 1967-12-20
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Abstract

No abstract record available.

Inventors

  • 👤 Louis P Evans

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:57
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/14; C10G11/16

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US226001A Cited
US1278023A Cited
US1568018A Cited
US1447297A Cited
US2382755A Cited
US2354354A Cited
US2354355A Cited
US2437222A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-11-14 1953-05-16 1953-11-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-11-14 1957-05-16 1957-11-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-11-14 1961-05-16 1961-11-15 $7700.00 Window Closed / Lapsed

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