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US3434004A Expired / Lapsed US ⏱️ 0.0 years remaining

Deflection circuit with frequency dependent negative feedback

Assignee: Philips North America LLC
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Filing: 1966-11-30
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Granted: 1969-03-18
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Expires: 1986-11-30
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Abstract

No abstract record available.

Inventors

  • 👤 Wouter Smeulers
  • 👤 Peter Johannes Hubertu Janssen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 08:10
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/60; H03K4/69; H03K4/72; H03K4/725; H03K4/71; H03K6/00; H03K6/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2913625A Cited
US3191091A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-03-17 1972-09-16 1973-03-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-03-17 1976-09-16 1977-03-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-03-17 1980-09-16 1981-03-18 $7700.00 Window Closed / Lapsed

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