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US2214784A Expired / Lapsed US ⏱️ 0.0 years remaining

Process and reagent for resolving emulsions

Assignee: Individual
•
Filing: 1938-07-29
•
Granted: 1940-09-17
•
Expires: 1958-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Truman B Wayne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 20:07
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04

Claims Analysis

Total Claims: 0
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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) 1943-09-17 1944-03-18 1944-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-09-17 1948-03-18 1948-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-09-17 1952-03-18 1952-09-17 $7700.00 Window Closed / Lapsed

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