Sanitary Linen Service Co., Plaintiff-Appellee-Cross v. Alexander Proudfoot Company, Defendant-Appellant-Cross

BELL, Circuit Judge:

This appeal involves a diversity suit having a contractual basis. The district court ruled for the plaintiff on a failure of consideration and restitution theory although not specifically so denominated. We affirm on the appeal of defendant. The district court denied plaintiff additional damages and a cross-appeal was taken on this ruling. We also affirm on the cross-appeal.

Defendant Proudfoot is an Illinois corporation which devises and installs systems to increase plant efficiency through what is sometimes known in the *293business world as short interval scheduling.…