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US2789176A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure switch

Assignee: Individual
•
Filing: 1954-04-26
•
Granted: 1957-04-16
•
Expires: 1974-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Mercier Jean

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:18
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2614; H01H35/2635

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US814277A Cited
US2357878A Cited
US2338365A Cited
US2404843A Cited
US2475069A Cited
US2612368A Cited
US2500457A Cited
US2547765A Cited
US2615102A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-04-15 1960-10-15 1961-04-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-04-15 1964-10-15 1965-04-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-04-15 1968-10-15 1969-04-16 $7700.00 Window Closed / Lapsed

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