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US3015038A Expired / Lapsed US ⏱️ 0.0 years remaining

Signal delay device

Assignee: Individual
•
Filing: 1956-11-20
•
Granted: 1961-12-26
•
Expires: 1976-11-20
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Abstract

No abstract record available.

Inventors

  • 👤 Takahasi Hidetosi
  • 👤 Goto Eiichi
  • 👤 Yamada Shigeharu
  • 👤 Kiyasu Zen-Iti

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 19:36
CPC Classifications
H; H04; H04Q; H04Q3/00; G; G11; G11C; G11C11/00; G11C11/19; G11C11/20; H03; H03K; H03K19/00; H03K19/02; H03K19/16; H03K19/162; H03K3/00; H03K3/02; H03K3/45; H03K3/47

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2711515A Cited
US2731203A Cited
US2806155A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-25 1965-06-26 1965-12-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-25 1969-06-26 1969-12-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-25 1973-06-26 1973-12-26 $7700.00 Window Closed / Lapsed

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