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US2554492A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus and process for mixing solids in liquids

Assignee: Great Western Sugar Co
•
Filing: 1947-09-15
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Granted: 1951-05-29
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Expires: 1967-09-15
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Abstract

No abstract record available.

Inventors

  • 👤 Vernon V Hartman
  • 👤 Lloyd V Sybrandt
  • 👤 Stephen L Force

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:48
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0253; B01D11/0257; B01F; B01F23/00; B01F23/50; B01F23/53; C; C13; C13B; C13B20/00; C13B20/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US676645A Cited
US734164A Cited
US1015337A Cited
US1230638A Cited
US1269994A Cited
US1268092A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-05-28 1954-11-27 1955-05-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-05-28 1958-11-27 1959-05-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-05-28 1962-11-27 1963-05-29 $7700.00 Window Closed / Lapsed

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