US PATENT SUBCLASS 29 / 897.312
.~.~.~.~ Frame component

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
897  DF  .~ Structural member making {4}
897.3  DF  .~.~ Static structure, e.g., a building component {5}
897.31  DF  .~.~.~ Openwork, e.g., a truss, joist, frame, lattice-type or box beam {1}
897.312.~.~.~.~ Frame component

DEFINITION

Classification: 29/897.312

Frame component:

(under subclass 897.31) Process for manufacturing a constituent part of an openwork structure for enclosing or supporting something such as a window, door, etc.