US PATENT SUBCLASS 435 / 40.51-- .~.~ Involving a monolayer, smear or suspension of microorganisms or cells

US PATENT SUBCLASS 435 / 40.51
.~.~ Involving a monolayer, smear or suspension of microorganisms or cells

Current as of: June, 1999
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435 /	HD	CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

4	DF	MEASURING OR TESTING PROCESS INVOLVING ENZYMES OR MICRO-ORGANISMS; COMPOSITION OR TEST STRIP THEREFORE; PROCESSES OF FORMING SUCH COMPOSITION OR TEST STRIP {15}
40.5	DF	.~ Involving fixed or stabilized, nonliving microorganism, cell, or tissue (e.g., processes of staining, stabilizing, dehydrating, etc.; compositions used therefore, etc.) {2}
40.51		.~.~ Involving a monolayer, smear or suspension of microorganisms or cells

DEFINITION

Classification: 435/40.51

Involving a monolayer, smear or suspension of microorganisms or cells:

(under subclass 40.5) Subject where the fixed or stabilized, nonliving microorganisms or cells are in the form of a monolayer, smear, or a suspension.

(1) Note. Included in this subclass is subject matter in which the microorganisms or cells may be placed on a slide or other surface for histological or microscopic examination or may be automatically examined such as by flow cytometry.

(2) Note. Included in this subclass is subject matter involving blood cell smears; cells prepared for cytopathological analysis, e.g., analysis of cells that are spontaneously exfoliated, mechanically dislodged by irrigation, brushing, or scraping, or forcibly removed by needle aspiration (e.g., Pap smears, etc.); urine sediments, etc.