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US1155256A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of treating by-product liquors from wood-sulfite plants.

Assignee: Individual
•
Filing: 1915-03-24
•
Granted: 1915-09-28
•
Expires: 1935-03-24
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Abstract

No abstract record available.

Inventors

  • 👤 Charles Marchand

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 21:00
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/32; C; C12; C12P; C12P7/00; C12P7/02; C12P7/04; C12P7/06; C12P7/08; C12P7/12

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) 1918-09-27 1919-03-29 1919-09-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1922-09-27 1923-03-29 1923-09-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1926-09-27 1927-03-29 1927-09-28 $7700.00 Window Closed / Lapsed

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