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Assignee: Exide Technologies LLC
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Filing: 1954-03-31
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Granted: 1957-03-19
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Expires: 1974-03-31
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Abstract

No abstract record available.

Inventors

  • 👤 Frederick G Spellier

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:09
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/30; H01M50/308; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2480437A Cited
US2649495A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-03-18 1960-09-17 1961-03-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-03-18 1964-09-17 1965-03-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-03-18 1968-09-17 1969-03-19 $7700.00 Window Closed / Lapsed

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