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US3370504A Expired / Lapsed US ⏱️ 0.0 years remaining

High speed facsimile method and apparatus

Assignee: Technical Operations Inc
•
Filing: 1965-03-29
•
Granted: 1968-02-27
•
Expires: 1985-03-29
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Abstract

No abstract record available.

Inventors

  • 👤 Willard E Buck
  • 👤 Randy J Sherman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:57
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/0607; H04N1/0621; H04N1/0635; H04N1/024; H04N1/028; H04N1/0281; H04N1/0664; H04N3/00; H04N3/02; H04N3/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3328523A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-26 1971-08-28 1972-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-26 1975-08-28 1976-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-26 1979-08-28 1980-02-27 $7700.00 Window Closed / Lapsed

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