characterised by shape or construction

Full Title

Firebridges > characterised by shape or construction

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

COMBUSTION APPARATUS; COMBUSTION PROCESSES

Subclass:

CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR

Child Classifications

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• F23M 3/14 with apertures for passage of combustion products
• F23M 3/16 built-up in sections, e.g. using bars or blocks
• F23M 3/18 double; multiple
• F23M 3/2 comprising loose refractory material, wholly or in part