US PATENT SUBCLASS 29 / 16
RAILWAY-CHAIR MAKING
Current as of: June, 1999
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DEFINITION
Classification: 29/16
RAILWAY-CHAIR MAKING:
Process or apparatus for manufacturing a metal block intended to support and hold a railway track with respect to a crosstie.
(1) Note. Manufacture of structure relating to a railway chair, e.g., a clip for holding a chair to a rail, is included herein.
