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US3251918A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for making a capacitor element for high temperature operation

Assignee: EIDP Inc
•
Filing: 1961-06-14
•
Granted: 1966-05-17
•
Expires: 1981-06-14
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Abstract

No abstract record available.

Inventors

  • 👤 Seney John Seymour

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:18
CPC Classifications
H; H01; H01G; H01G13/00; H01G13/003

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-05-16 1969-11-15 1970-05-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-16 1973-11-15 1974-05-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-16 1977-11-15 1978-05-17 $7700.00 Window Closed / Lapsed

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