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US703234A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric controller.

Assignee: Individual
•
Filing: 1902-03-07
•
Granted: 1902-06-24
•
Expires: 1922-03-07
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Abstract

No abstract record available.

Inventors

  • 👤 John Wilson Brown Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:56
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58

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) 1905-06-23 1905-12-23 1906-06-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1909-06-23 1909-12-23 1910-06-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1913-06-23 1913-12-23 1914-06-24 $7700.00 Window Closed / Lapsed

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