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US1866284A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: GEN ZEOLITE Co
•
Filing: 1928-02-06
•
Granted: 1932-07-05
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Expires: 1948-02-06
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Abstract

No abstract record available.

Inventors

  • 👤 Samuel L Adelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:57
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/02; B01D24/20; B01D24/24; B01D24/38; B01D24/42; B01D24/46; B01D24/4631; B01D24/4642; B01D24/48; B01D24/4861; B01D2201/00; B01D2201/20; B01D2201/204; B01D2201/208; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7759

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) 1935-07-05 1936-01-04 1936-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1939-07-05 1940-01-04 1940-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1943-07-05 1944-01-04 1944-07-05 $7700.00 Window Closed / Lapsed

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