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US2748336A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric circuit-arrangement

Assignee: Hartford National Bank and Trust Co
•
Filing: 1950-03-08
•
Granted: 1956-05-29
•
Expires: 1970-03-08
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Abstract

No abstract record available.

Inventors

  • 👤 Valeton Josue Jean Philippe
  • 👤 Schenau Bernardus Willem Ingen
  • 👤 Lubben Gerrit Jan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 06:25
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/013

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2171657A Cited
US2386548A Cited
US2532347A Cited
US2535651A Cited
US2569289A Cited
US2515196A Cited
US2485652A Cited
US2565621A Cited
US2555449A Cited
US2573280A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-05-29 1959-11-28 1960-05-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-05-29 1963-11-28 1964-05-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-05-29 1967-11-28 1968-05-29 $7700.00 Window Closed / Lapsed

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