In Re Lee

GARRETT, Chief Judge.

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming a requirement for division between three groups of claims made by the Primary Examiner with the approval of the Examiner of Classification.

The application relates to alleged improvements in a mining machine described by the board as follows (numerals designating different features being omitted as indicated by asterisks) :

“This application discloses a skid-mounted mining machine. The usual cutter bar * * * carries a cutter chain * * * driven by an electrical motor * *…