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US2436382A Expired / Lapsed US ⏱️ 0.0 years remaining

Dry cell battery of the flat type

Assignee: Cleveland Trust Co
•
Filing: 1943-07-17
•
Granted: 1948-02-24
•
Expires: 1963-07-17
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Abstract

No abstract record available.

Inventors

  • 👤 Clarence N Mertes
  • 👤 Lewis A Gray

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:25
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1283765A Cited
US2144574A Cited
US2270185A Cited
US2307762A Cited
US2307761A Cited
US2307764A Cited
US2307765A Cited
US2307770A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-02-23 1951-08-25 1952-02-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-02-23 1955-08-25 1956-02-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-02-23 1959-08-25 1960-02-24 $7700.00 Window Closed / Lapsed

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