CPC Definition - Subclass F24V
Last Updated Version: 2024.01
COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
Apparatus or devices using heat produced by exothermal chemical reactions other than combustion
References
References out of a residual place
Examples of places in relation to which this place is residual:
Apparatus or devices using heat produced by exothermal chemical reactions other than by combustion for cooking-vessels | |
Self-heating compresses |
Informative references
Attention is drawn to the following places, which may be of interest for search:
Materials for the production of heat or cold undergoing non-reversible chemical reactions, other than by combustion, when used |
Use of heat from natural sources, e.g. from the sea
References
References out of a residual place
Subject matter not provided for in other main groups of this subclass
Relationships with other classification places
Engines or other mechanisms for producing mechanical power from heat, see the relevant classes, e.g. subclass F03G for using natural heat.