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US2469174A Expired / Lapsed US ⏱️ 0.0 years remaining

Pulse-modulated wave-signal generator

Assignee: Hazeltine Research Inc
•
Filing: 1945-06-06
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Granted: 1949-05-03
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Expires: 1965-06-06
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Abstract

No abstract record available.

Inventors

  • 👤 Jasper J Okrent

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 22:11
CPC Classifications
H; H03; H03K; H03K7/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2137351A Cited
US2089781A Cited
US2333688A Cited
US2413182A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-05-02 1952-11-01 1953-05-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-05-02 1956-11-01 1957-05-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-05-02 1960-11-01 1961-05-03 $7700.00 Window Closed / Lapsed

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