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US1327422A Expired / Lapsed US ⏱️ 0.0 years remaining

Gas and liquid contact apparatus

Assignee: Individual
•
Filing: 1916-12-30
•
Granted: 1920-01-06
•
Expires: 1936-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 Darier Georges Edmond

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 18:27
CPC Classifications
B; B01; B01D; B01D3/00; B01J; B01J19/00; B01J19/30; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30223; B01J2219/30257; B01J2219/30265; B01J2219/304; B01J2219/30408; Y; Y10; Y10S; Y10S261/00; Y10S261/72

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) 1923-01-05 1923-07-07 1924-01-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-01-05 1927-07-07 1928-01-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-01-05 1931-07-07 1932-01-06 $7700.00 Window Closed / Lapsed

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