(under subclass 551) Subject matter wherein sewage, animal blood, or animal manure is a component in a consolidated solid fuel composition.
(1) Note. The sewage, animal blood, or animal manure will normally, but not necessarily, serve a binding function.
(2) Note. Such expressions as "town trash", "town garbage", "refuse", etc. will not be construed to include sewage, animal blood, or animal manure, unless such is specifically stated. Claims classifiable on the basis of such substances as "town trash", "town garbage", and "refuse" are classified in this class, subclass 551.