US PATENT SUBCLASS 144 / 81
.~.~ Portable

Current as of: June, 1999
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144 /   HD   WOODWORKING

75  DF  MORTISING MACHINE HAVING CHISEL {5}
80  DF  .~ Oscillating chisel {1}
81.~.~ Portable

DEFINITION

Classification: 144/81

Portable:

(under subclass 75) Oscillating-chisel mortiser which is adapted to be moved about and placed upon the work, generally clamped thereto.

(1) Note. The cutter-carriage is usually fed along instead of feeding the work, as in a stationary machine.