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US1906236A Expired / Lapsed US ⏱️ 0.0 years remaining

Reenforced, stable, and sterile aqueous protein preparations

Assignee: H A METZ LAB Inc
•
Filing: 1931-05-12
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Granted: 1933-05-02
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Expires: 1951-05-12
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Abstract

No abstract record available.

Inventors

  • 👤 Pitkin George Philo
  • 👤 Hooper Charles Warren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:33
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/66; A61K35/74; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/4738; A61K31/4745; A61K35/12; A61K35/20; A61K47/00; A61K47/30; A61K47/42; A61K9/00; A61K9/0012; A61K9/0019

Claims Analysis

Total Claims: 0
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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) 1936-05-01 1936-10-31 1937-05-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-05-01 1940-10-31 1941-05-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-05-01 1944-10-31 1945-05-02 $7700.00 Window Closed / Lapsed

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