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US1509186A Expired / Lapsed US ⏱️ 0.0 years remaining

Storage cell, electrode therefor, and process of making the same

Assignee: PREST O LITE CO Inc
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Filing: 1922-08-16
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Granted: 1924-09-23
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Expires: 1942-08-16
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond C Benner
  • 👤 Harry F French

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:52
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/64; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50

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) 1927-09-23 1928-03-24 1928-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1931-09-23 1932-03-24 1932-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1935-09-23 1936-03-24 1936-09-23 $7700.00 Window Closed / Lapsed

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