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US856838A Expired / Lapsed US ⏱️ 0.0 years remaining

Connection device for the frames of aerial vehicles and other structures.

Assignee: Individual
•
Filing: 1906-10-24
•
Granted: 1907-06-11
•
Expires: 1926-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Alexander Graham Bell
  • 👤 Hector P Mcneil

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:36
CPC Classifications
B; B64; B64C; B64C31/00; B64C31/06; E; E04; E04B; E04B1/00; E04B1/18; E04B1/19; E04B2001/1924; E04B2001/1927; Y; Y10; Y10S; Y10S52/00; Y10S52/10

Claims Analysis

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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) 1910-06-10 1910-12-10 1911-06-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1914-06-10 1914-12-10 1915-06-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1918-06-10 1918-12-10 1919-06-11 $7700.00 Window Closed / Lapsed

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