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US868621A Expired / Lapsed US ⏱️ 0.0 years remaining

Telegraphic instrument.

Assignee: Individual
•
Filing: 1907-02-04
•
Granted: 1907-10-15
•
Expires: 1927-02-04
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Abstract

No abstract record available.

Inventors

  • 👤 Jerome P Zelenka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:21
CPC Classifications
H; H04; H04L; H04L15/00; H04L15/24; H04L15/28; H04L15/285; Y; Y10; Y10S; Y10S200/00; Y10S200/02

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) 1910-10-14 1911-04-15 1911-10-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1914-10-14 1915-04-15 1915-10-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1918-10-14 1919-04-15 1919-10-15 $7700.00 Window Closed / Lapsed

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