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US1001069A Expired / Lapsed US ⏱️ 0.0 years remaining

Pipe-coupling.

Assignee: Individual
•
Filing: 1910-04-15
•
Granted: 1911-08-22
•
Expires: 1930-04-15
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Abstract

No abstract record available.

Inventors

  • 👤 Frederik Nielsen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 16:34
CPC Classifications
F; F16; F16L; F16L35/00

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) 1914-08-21 1915-02-20 1915-08-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1918-08-21 1919-02-20 1919-08-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1922-08-21 1923-02-20 1923-08-22 $7700.00 Window Closed / Lapsed

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