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Diagnostic reagent holder and method

  • US 3,999,948 A
  • Filed: 11/03/1975
  • Issued: 12/28/1976
  • Est. Priority Date: 11/03/1975
  • Status: Expired due to Term
First Claim
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1. A viewing housing for receiving a diagnostic reagent holder, said holder comprising an elongate shaft connected to a reagent containing surface and which is placed in a predetermined repeatable position in the housing, said viewing housing comprising housing wall means including a front wall portion, means defining a reagent holder slot in said housing, stop means for limiting penetration of the reagent holder a predetermined distance along said reagent holder slot defining means, and a reagent surface window opening through said front wall into said slot portion defining means for viewing the reagent containing surface when the reagent holder contacts said stop means.

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