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US1291025A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for the concentration of vinegar and acetic acid.

Assignee: FLEISCHMANN CO
•
Filing: 1916-05-24
•
Granted: 1919-01-14
•
Expires: 1936-05-24
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Abstract

No abstract record available.

Inventors

  • 👤 Erwin Klein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 03:47
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/42; C07C51/43; C07C51/44; C07C51/46

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) 1922-01-13 1922-07-15 1923-01-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1926-01-13 1926-07-15 1927-01-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1930-01-13 1930-07-15 1931-01-14 $7700.00 Window Closed / Lapsed

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