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US2463610A Expired / Lapsed US ⏱️ 0.0 years remaining

Treatment of hydrocarbons with metallic halide-hydrocarbon complex catalysts

Assignee: Texaco Inc
•
Filing: 1945-03-01
•
Granted: 1949-03-08
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Expires: 1965-03-01
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Abstract

No abstract record available.

Inventors

  • 👤 William F Glassmire
  • 👤 William R Smith
  • 👤 Nelson B Haskell
  • 👤 Kenneth A Danskin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 16:16
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2778; C07C5/2786; C07C5/2789

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2209981A Cited
US2381439A Cited
US2378733A Cited
US2378734A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-03-07 1952-09-06 1953-03-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-03-07 1956-09-06 1957-03-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-03-07 1960-09-06 1961-03-08 $7700.00 Window Closed / Lapsed

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