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US2455205A Expired / Lapsed US ⏱️ 0.0 years remaining

Compositions suitable for use as gas and power producing liquids

Assignee: Imperial Chemical Industries Ltd
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Filing: 1946-07-17
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Granted: 1948-11-30
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Expires: 1966-07-17
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Abstract

No abstract record available.

Inventors

  • 👤 Whetstone John
  • 👤 Taylor James

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:32
CPC Classifications
C; C06; C06B; C06B31/00; C06B31/28; C06B31/30; C06B23/00; C06B23/009; Y; Y10; Y10S; Y10S60/00; Y10S60/914

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE380886C Cited
DE307040C Cited
DE326184C Cited
DE380885C Cited
US1968158A Cited
US2159234A Cited
US2154416A Cited
US2353147A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-11-30 1952-05-31 1952-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-11-30 1956-05-31 1956-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-11-30 1960-05-31 1960-11-30 $7700.00 Window Closed / Lapsed

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