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US2210481A Expired / Lapsed US ⏱️ 0.0 years remaining

Aqueous dispension of hardened protein

Assignee: HENRY A WALLACE
•
Filing: 1938-05-16
•
Granted: 1940-08-06
•
Expires: 1958-05-16
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Abstract

No abstract record available.

Inventors

  • 👤 George H Brother
  • 👤 Allan K Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:38
CPC Classifications
D; D01; D01F; D01F4/00; C; C08; C08H; C08H1/00; C08H1/02; C08L; C08L89/00; C08L89/005

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) 1943-08-06 1944-02-05 1944-08-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-08-06 1948-02-05 1948-08-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-08-06 1952-02-05 1952-08-06 $7700.00 Window Closed / Lapsed

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