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US2209069A Expired / Lapsed US ⏱️ 0.0 years remaining

Adsorbent material and process

Assignee: APPLIED SUGAR LAB Inc
•
Filing: 1938-10-19
•
Granted: 1940-07-23
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Expires: 1958-10-19
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Abstract

No abstract record available.

Inventors

  • 👤 Francis A Bodenheim
  • 👤 Clarence E Heath

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 17:30
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/12; C13B20/123; B; B01; B01J; B01J20/00; B01J20/02; B01J20/20; C01; C01B; C01B32/00; C01B32/30

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) 1943-07-23 1944-01-22 1944-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-07-23 1948-01-22 1948-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-07-23 1952-01-22 1952-07-23 $7700.00 Window Closed / Lapsed

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