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US3458680A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure adjustment means for bolted contact switch

Assignee: KELEK CO
•
Filing: 1968-01-02
•
Granted: 1969-07-29
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Expires: 1988-01-02
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin E Kussmaul

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:20
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/14; H01H1/00; H01H1/12; H01H1/36; H01H1/42; H01H1/50

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-28 1973-01-27 1973-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-28 1977-01-27 1977-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-28 1981-01-27 1981-07-29 $7700.00 Window Closed / Lapsed

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