| |
| | Class Definition for Class 75 - SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL ... |
 | | This is the generic class for specialized metallurgical processes for producing or recovering metals from metal compounds, ores, or scrap metal and for refining liquid metal and for compositions used in these specialized metallurgical processes, consolidated metal powder compositions, and loose metal particulate mixtures. |
 | | Class 148, Metal Treatment, subclasses 95-122, 194-287, and 500-714, in class schedule order, providing for certain processes of treating solid or semi-solid metal by modifying or maintaining internal physical structure (i.e., microstructure) or chemical properties of metal, processes of reactive coating of metal or processes of chemical-heat removing (e.g., flame-cutting etc.) or burning of metal. |
 | | Class 420 also provides for patents claiming an article by name only without any positive structural limitation and reciting the metal or alloy or metallic composition of which the article is made. |
| www.uspto.gov /go/classification/uspc075/defs075.htm (5896 words) |
|