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US1582444A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1924-04-04
•
Granted: 1926-04-27
•
Expires: 1944-04-04
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Abstract

No abstract record available.

Inventors

  • 👤 Bart Charles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 05:38
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/02; G09F3/03; G09F3/0305; G09F3/0347; G09F3/0352; Y; Y10; Y10T; Y10T292/00; Y10T292/48; Y10T292/4945; Y10T292/496; Y10T292/505

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) 1929-04-26 1929-10-26 1930-04-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1933-04-26 1933-10-26 1934-04-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1937-04-26 1937-10-26 1938-04-27 $7700.00 Window Closed / Lapsed

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