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US3003069A Expired / Lapsed US ⏱️ 0.0 years remaining

Signal translating apparatus

Assignee: International Business Machines Corp
•
Filing: 1956-09-04
•
Granted: 1961-10-03
•
Expires: 1976-09-04
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Abstract

No abstract record available.

Inventors

  • 👤 Genung L Clapper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:43
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/2893; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K3/01; H03K3/012

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2459852A Cited
US2605306A Cited
US2709747A Cited
US2591961A Cited
US2710913A Cited
US2861258A Cited
US2825821A Cited
US2903604A Cited
US2828450A Cited
US2887542A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-02 1965-04-03 1965-10-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-02 1969-04-03 1969-10-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-02 1973-04-03 1973-10-03 $7700.00 Window Closed / Lapsed

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