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US3004109A Expired / Lapsed US ⏱️ 0.0 years remaining

High speed memory testing device

Assignee: Individual
•
Filing: 1959-10-09
•
Granted: 1961-10-10
•
Expires: 1979-10-09
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Abstract

No abstract record available.

Inventors

  • 👤 Lucas Pierre Marie
  • 👤 Rouzier Michel Marcel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 21:30
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/08; H04Q; H04Q3/00; H04Q3/42; H04Q3/52; H04Q3/521

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) 1964-10-09 1965-04-10 1965-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-09 1969-04-10 1969-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-09 1973-04-10 1973-10-10 $7700.00 Window Closed / Lapsed

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