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US2874318A Expired / Lapsed US ⏱️ 0.0 years remaining

Coil winding method and apparatus

Assignee: Friden Inc
•
Filing: 1954-01-04
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Granted: 1959-02-17
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Expires: 1974-01-04
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Abstract

No abstract record available.

Inventors

  • 👤 Glazier Robert Charles
  • 👤 Zickler Gottfried

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:45
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/08; H02K15/085

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-02-16 1962-08-18 1963-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-02-16 1966-08-18 1967-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-02-16 1970-08-18 1971-02-17 $7700.00 Window Closed / Lapsed

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