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Class Definition for Class 424 - DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
 | | Class 424 provides for compositions containing micro-organisms either alive, dead, or attenuated; enzymes or coenzymes; ferments or fermentates; antigens or antibodies which are claimed or solely disclosed to have a Class 424 utility and methods of using said compositions. |
 | | Class 424 takes a process of treatment of an animal with a compound or composition for a Class 424 purpose which process is a single step or a plurality of steps, each step individually being no more than a mere application of a compound or composition, and there is no manipulative step included. |
 | | Class 424 provides for a process of applying a compound or composition to a living body wherein said process is no more than the mere application of the compound or composition, or wherein said process is a combination of steps, each step individually being a mere application, and there are no manipulative steps included. |
| www.uspto.gov /web/patents/classification/uspc424/defs424.htm (7538 words) |