(under the class definition) Processes of using, making or assembling a device under the ....
SEE OR SEARCH CLASS
29, Metal Working, appropriate subclass, for a process not specialized to the assembly of a closure on a portal frame.
52, Static Structures (e.g., Buildings),
741.1+, for a process specialized to the manufacture, erection or assembly of a building structure at the job site.
144, Woodworking,
329+, for a process of assembly or manufacture of an article having at least one wood component, not peculiar to the assembly of a closure on a portal frame.
