US PATENT SUBCLASS 436 / 509
.~ Rheumatoid factors

Current as of: June, 1999
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436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

506  DF  FOR PREEXISTING IMMUNE COMPLEX OR AUTO-IMMUNE DISEASE {3}
509.~ Rheumatoid factors

DEFINITION

Classification: 436/509

Rheumatoid factors:

(under subclass 506) Subject matter which include tests for immunoglobulins found in patients with rheumatoid arthritis.