US PATENT SUBCLASS 60 / 712 .~ Engine apparatus or system actuatable selectively or simultaneously by internal combustion of fuel and by expansion of motive fluid
Current as of: June, 1999
Click HD for Main Headings
Click for All Classes
.~ Engine apparatus or system actuatable selectively or simultaneously by internal combustion of fuel and by expansion of motive fluid
DEFINITION
Classification: 60/712
(under subclass 698) Apparatus, having structure by which the motor apparatus can be energized both by the internal combustion of fuel and by the expansion of pressurized motive fluid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
625+, for an internal combustion engine started by a separate motive fluid motor or being driven to start by the admission of motive fluid into the combustion chamber prior to the admission of fuel.
SEE OR SEARCH CLASS
123, Internal-Combustion Engines,
22, for a combined hot air and material combustion engine.
