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US725773A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotating-field magnet for alternating-current generators.

Assignee: General Electric Co
•
Filing: 1901-10-18
•
Granted: 1903-04-21
•
Expires: 1921-10-18
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Abstract

No abstract record available.

Inventors

  • 👤 Henry G Reist

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 15:28
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/14; H02K1/146; H02K1/148

Claims Analysis

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References Cited (Backward Citations)

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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) 1906-04-20 1906-10-20 1907-04-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1910-04-20 1910-10-20 1911-04-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1914-04-20 1914-10-20 1915-04-21 $7700.00 Window Closed / Lapsed

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