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US2181144A Expired / Lapsed US ⏱️ 0.0 years remaining

High molecular weight halogenated organic compounds and method of preparing same

Assignee: Standard Oil Development Co
•
Filing: 1937-10-20
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Granted: 1939-11-28
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Expires: 1957-10-20
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Abstract

No abstract record available.

Inventors

  • 👤 Arnold J Morway
  • 👤 Floyd L Miller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 06:58
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/08; C; C08; C08F; C08F8/00; C08F8/18; C08F8/20; C08F8/22; C08L; C08L21/00; D01; D01F; D01F6/00; D01F6/02; D01F6/08; D06M11/00; D06M11/07; D06M11/09; B; B27; B27K; B27K3/00; B27K3/02; B27K3/15

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1942-11-27 1943-05-29 1943-11-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-11-27 1947-05-29 1947-11-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-11-27 1951-05-29 1951-11-28 $7700.00 Window Closed / Lapsed

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