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US939841A Expired / Lapsed US ⏱️ 0.0 years remaining

Chair attachment.

Assignee: Individual
•
Filing: 1909-03-02
•
Granted: 1909-11-09
•
Expires: 1929-03-02
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur V Jackson
  • 👤 Walter H Jackson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 01:13
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/04; B; B60; B60N; B60N2/00; B60N2/24; B60N2/26; B60N2/28

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) 1912-11-08 1913-05-10 1913-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1916-11-08 1917-05-10 1917-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1920-11-08 1921-05-10 1921-11-09 $7700.00 Window Closed / Lapsed

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