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US3490002A Expired / Lapsed US ⏱️ 0.0 years remaining

Complete scanning cycle detector for character recognition systems

Assignee: International Business Machines Corp
•
Filing: 1966-03-14
•
Granted: 1970-01-13
•
Expires: 1986-03-14
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Abstract

No abstract record available.

Inventors

  • 👤 William W Hardin
  • 👤 James J Kennedy
  • 👤 Norman R Plummer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:13
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/14; G06V30/144

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3353024A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-01-12 1973-07-14 1974-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-01-12 1977-07-14 1978-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-01-12 1981-07-14 1982-01-13 $7700.00 Window Closed / Lapsed

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