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US3471378A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing elemental part for dry type electrolytic condenser

Assignee: SHINYEI CO Inc
•
Filing: 1966-04-08
•
Granted: 1969-10-07
•
Expires: 1986-04-08
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Abstract

No abstract record available.

Inventors

  • 👤 Katuyuki Fukui

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:14
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0032

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2949411A Cited
US2930951A Cited
US3223601A Cited
US3079536A Cited
US3239436A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-10-06 1973-04-07 1973-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-10-06 1977-04-07 1977-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-10-06 1981-04-07 1981-10-07 $7700.00 Window Closed / Lapsed

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