Falsework, forms, or shutterings for particular parts of buildings

Official title: Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies {foundations, sills (E04G11/365 takes precedence; flat foundations, e.g. with lost forms E02D27/01; removable forms or shutterings for road-building purposes E01C19/50)}

E04G13/00 (Falsework, forms, or shutterings for particular parts of buildings) appears on 464 US grants and 421 published applications in this corpus.