US PATENT SUBCLASS 356 / 40
.~ Hemoglobin concentration
Current as of:
June, 1999
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356 /
HD
OPTICS: MEASURING AND TESTING
39
DF
BLOOD ANALYSIS
{1}
40
.~ Hemoglobin concentration {2}
41
DF
.~.~
> Oximeters
42
DF
.~.~
> Standards
DEFINITION
Classification: 356/40
(under subclass 39) Subject matter which includes visual and photoelectric apparatus to examine the specimen for the percentage of hemoglobin.
SEE OR SEARCH THIS CLASS, SUBCLASS:
51, for infrared or ultraviolet testing of materials generally where optical methods are utilized.
300+, for spectroscopic apparatus.
402+, for colorimetric apparatus of the visual and photoelectric type.
441+, for liquid turbidity testing generally.
445+, for reflective material testing generally.
SEE OR SEARCH CLASS
73, Measuring and Testing,
53, for testing the settling rate of the liquid suspension of solids.
