for use in combination with other propulsion means, e.g. for improved fuel economy

Full Title

Marine propulsion provided directly by wind power > using sails or like wind-catching surfaces > Types of sail; Constructional features of sails; Arrangements thereof on vessels > Kite-sails for vessels > for use in combination with other propulsion means, e.g. for improved fuel economy

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT

Subclass:

MARINE PROPULSION OR STEERING