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US3412281A Expired / Lapsed US ⏱️ 0.0 years remaining

D.c. controlled dynamic focus circuit

Assignee: TE Connectivity Corp
•
Filing: 1964-09-18
•
Granted: 1968-11-19
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Expires: 1984-09-18
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Abstract

No abstract record available.

Inventors

  • 👤 Jr George Gilman Richards
  • 👤 Wells Richard Farner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:55
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/22; H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/23; H04N3/233; H04N3/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2951965A Cited
US3146373A Cited
US3156873A Cited
US3168709A Cited
US3289098A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-11-19 1972-05-20 1972-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-11-19 1976-05-20 1976-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-11-19 1980-05-20 1980-11-19 $7700.00 Window Closed / Lapsed

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