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US3413728A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for drying charged battery plates

Assignee: Tiegel Manufacturing Co
•
Filing: 1967-08-17
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Granted: 1968-12-03
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Expires: 1987-08-17
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest G Tiegel
  • 👤 Ralph G Tiegel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 20:57
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/30; F26B23/00; F26B23/02; H; H01; H01M; H01M4/00; H01M4/02; H01M4/14; H01M4/16; H01M4/22; H01M4/23; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1310871A Cited
US1019999A Cited
US3038018A Cited
US2911457A Cited
US2889388A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-03 1972-06-03 1972-12-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-03 1976-06-03 1976-12-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-03 1980-06-03 1980-12-03 $7700.00 Window Closed / Lapsed

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