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US3449656A Expired / Lapsed US ⏱️ 0.0 years remaining

Harmonic free frequency multiplier utilizing capacitor integration

Assignee: Magnavox Electronic Systems Co
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Filing: 1967-05-29
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Granted: 1969-06-10
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Expires: 1987-05-29
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Abstract

No abstract record available.

Inventors

  • 👤 Jean W Grieninger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 02:49
CPC Classifications
H; H03; H03B; H03B19/00; H03B19/06; H03B19/14; H03B1/00; H03B1/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2478629A Cited
US3303358A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-06-09 1972-12-09 1973-06-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-06-09 1976-12-09 1977-06-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-06-09 1980-12-09 1981-06-10 $7700.00 Window Closed / Lapsed

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