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US2430212A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the alkylation of paraffin hydrocarbons

Assignee: Texaco Inc
•
Filing: 1942-12-19
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Granted: 1947-11-04
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Expires: 1962-12-19
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Abstract

No abstract record available.

Inventors

  • 👤 Louis A Clarke
  • 👤 Ernest F Pevere

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:01
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/60; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1994249A Cited
US2220090A Cited
US2260990A Cited
GB530250A Cited
US2266012A Cited
US2340600A Cited
US2273043A Cited
US2273042A Cited
US2312539A Cited
US2298383A Cited
US2320293A Cited
US2308562A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-11-03 1951-05-05 1951-11-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-11-03 1955-05-05 1955-11-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-11-03 1959-05-05 1959-11-04 $7700.00 Window Closed / Lapsed

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