Patent · US Expired

Scanner repeatability error determining apparatus

UST970003I4 · kind I4 · defensive publication

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1Claims
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Inventors

Key dates

Filing dateFeb 22, 1977
Grant dateMay 2, 1978
Priority date
Expiry dateFeb 22, 1997

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.