US PATENT SUBCLASS 52 / 745.17
.~ Column, mast, etc., construction

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

741.1  DF  PROCESSES {14}
745.17.~ Column, mast, etc., construction {1}
745.18  DF  .~.~> Using prefabricated unit

DEFINITION

Classification: 52/745.17

Column, mast, etc., construction:

(under subclass 741.1) Subject matter wherein the process comprises a method for constructing a free-standing, nonresidential, vertical structure.