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US2622089A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of reforming natural gas to produce hydrogen and carbon monoxide synthesis gas

Assignee: Phillips Petroleum Co
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Filing: 1947-09-05
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Granted: 1952-12-16
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Expires: 1967-09-05
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Abstract

No abstract record available.

Inventors

  • 👤 Bertrand J Mayland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 18:55
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/384

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1711036A Cited
US2266989A Cited
US2198553A Cited
US2355753A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-12-16 1956-06-16 1956-12-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-12-16 1960-06-16 1960-12-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-12-16 1964-06-16 1964-12-16 $7700.00 Window Closed / Lapsed

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