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US2407353A Expired / Lapsed US ⏱️ 0.0 years remaining

Coiling apparatus

Assignee: AT&T Inc
•
Filing: 1945-01-11
•
Granted: 1946-09-10
•
Expires: 1965-01-11
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Abstract

No abstract record available.

Inventors

  • 👤 Julius A Wagner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:39
CPC Classifications
H; H02; H02G; H02G11/00; H02G11/02; B; B65; B65H; B65H54/00; B65H54/76; B65H54/80

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) 1949-09-09 1950-03-11 1950-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1953-09-09 1954-03-11 1954-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1957-09-09 1958-03-11 1958-09-10 $7700.00 Window Closed / Lapsed

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