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US1323540A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of making ethyl alcohol from

Assignee: —
•
Filing: —
•
Granted: 1919-12-02
•
Expires: 1936-12-02
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:38
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/02; C12P7/04; C12P7/06; C12P7/08; C12P7/10; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y10; Y10S; Y10S435/00; Y10S435/819

Claims Analysis

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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1922-12-01 1923-06-02 1923-12-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1926-12-01 1927-06-02 1927-12-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1930-12-01 1931-06-02 1931-12-02 $7700.00 Window Closed / Lapsed

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