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US3057949A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making a battery

Assignee: Union Carbide Corp
•
Filing: 1959-08-12
•
Granted: 1962-10-09
•
Expires: 1979-08-12
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Edward G Prell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:07
CPC Classifications
H; H01; H01M; H01M50/00; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108; Y10T29/4911

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

BE497811A Cited
US2144574A Cited
US2463565A Cited
US2526692A Cited
US2536699A Cited
US2865976A Cited
US2968687A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-08 1966-04-09 1966-10-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-08 1970-04-09 1970-10-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-08 1974-04-09 1974-10-09 $7700.00 Window Closed / Lapsed

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