US PATENT SUBCLASS 409 / 254
.~ With means to protect operative or machine (e.g., guard, safety device, etc.)

Current as of: June, 1999
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409 /   HD   GEAR CUTTING, MILLING, OR PLANING

243  DF  BROACHING {20}
254.~ With means to protect operative or machine (e.g., guard, safety device, etc.) {1}
255  DF  .~.~> With safety means for overload or safety interlock

DEFINITION

Classification: 409/254

With means to protect operative or machine (e.g., guard, safety device, etc.):

(under subclass 243) Apparatus combined with means intended to physically prevent encounter of a man operating the apparatus or of an element of the apparatus with an undesirable particle or unsafe condition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

134, for similar structure used in milling.