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US2277361A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for directsteam treatment of extracted solid materials

Assignee: EXTRACTOL PROCESS Ltd
•
Filing: 1938-09-15
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Granted: 1942-03-24
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Expires: 1958-09-15
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Abstract

No abstract record available.

Inventors

  • 👤 Bonotto Michele

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 23:01
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/0226; A; A23; A23L; A23L5/00; A23L5/20; A23L5/21; C; C11; C11B; C11B1/00; C11B1/10; C11B1/108; C12; C12F; C12F3/00

Claims Analysis

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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) 1945-03-23 1945-09-22 1946-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-03-23 1949-09-22 1950-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-03-23 1953-09-22 1954-03-24 $7700.00 Window Closed / Lapsed

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