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US3543090A Expired / Lapsed US ⏱️ 0.0 years remaining

Overload protection circuit

Assignee: Allen Bradley Co LLC
•
Filing: 1968-12-13
•
Granted: 1970-11-24
•
Expires: 1988-12-13
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Abstract

No abstract record available.

Inventors

  • 👤 Anthony C Pfister
  • 👤 Gary J Drinan
  • 👤 Roland L Krieger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 05:21
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/08; H02H3/085; H02H5/00; H02H5/04; H02H5/041

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3225280A Cited
US3328606A Cited
US3372328A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-11-23 1974-05-25 1974-11-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-11-23 1978-05-25 1978-11-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-11-23 1982-05-25 1982-11-24 $7700.00 Window Closed / Lapsed

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