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Assignee: Individual
•
Filing: 1910-10-22
•
Granted: 1912-12-10
•
Expires: 1930-10-22
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Abstract

No abstract record available.

Inventors

  • 👤 Bernard A Kantrowitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 06:35
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/02; B01D24/10; B01D27/00; B01D27/02; Y; Y10; Y10S; Y10S261/00; Y10S261/22

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) 1915-12-10 1916-06-10 1916-12-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1919-12-10 1920-06-10 1920-12-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1923-12-10 1924-06-10 1924-12-10 $7700.00 Window Closed / Lapsed

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