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US854200A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of making storage-battery electrodes.

Assignee: EDISON STORAGE BATTERY CO
•
Filing: 1905-03-30
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Granted: 1907-05-21
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Expires: 1925-03-30
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas A Edison

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 23:19
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; B; B22; B22F; B22F2998/00

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) 1910-05-20 1910-11-19 1911-05-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1914-05-20 1914-11-19 1915-05-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1918-05-20 1918-11-19 1919-05-21 $7700.00 Window Closed / Lapsed

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