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US1026809A Expired / Lapsed US ⏱️ 0.0 years remaining

Blackboard.

Assignee: Individual
•
Filing: 1911-06-02
•
Granted: 1912-05-21
•
Expires: 1931-06-02
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Abstract

No abstract record available.

Inventors

  • 👤 Edward L Kraus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:55
CPC Classifications
B; B43; B43L; B43L1/00; B43L1/04; B43L1/06; A; A63; A63F; A63F3/00; A63F3/00003; A63F3/00028; A63F3/00041

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) 1915-05-21 1915-11-20 1916-05-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1919-05-21 1919-11-20 1920-05-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1923-05-21 1923-11-20 1924-05-21 $7700.00 Window Closed / Lapsed

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