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US2451087A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of reconditioning battery plates

Assignee: Motors Liquidation Co
•
Filing: 1944-12-01
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Granted: 1948-10-12
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Expires: 1964-12-01
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Abstract

No abstract record available.

Inventors

  • 👤 Alva L Hindall

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 18:24
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/4242; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US916576A Cited
US990661A Cited
US1817846A Cited
AU2665230A Cited
CH149196A Cited
US2073734A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-10-12 1952-04-12 1952-10-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-10-12 1956-04-12 1956-10-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-10-12 1960-04-12 1960-10-12 $7700.00 Window Closed / Lapsed

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