On January 27, 1955, Byrne Organization, Inc., a Delaware corporation, obtained a judgment by confession against Julius B. Goldberg and Hal D. Cantin for $25,850 and costs. The judgment was based upon a guaranty executed by defendants Cantin and Goldberg, and three others, to guarantee the value of certain stock certificates transferred to Byrne Organization, Inc. in payment of the balance due on a building construction contract. Defendants Cantin and Goldberg filed motions to vacate or open the judgment, asserting that the relationship between the other guarantors and the plaintiff, together with the plaintiff’s failure to obtain a judgment against those guarantors, or to make a demand on them, impaired the right of the defendants to contribution and, thus, constituted a good defense on the merits to the plaintiff’s demand. An order was entered opening the judgment and ordering plaintiff to file its reply within thirty days. Plaintiff, Byrne Organization, Inc., filed its reply on August 25, 1955, admitting that the three other parties to the guaranty had executed an agreement to indemnify defendants against the claim upon which the judgment was based. The' reply also set forth in detail that Byrne Organization, Inc. had assigned its judgment and cause of action to Omer W. Schroeder on May 19,1955. Schroeder was one of the three nondefendant parties who had signed the guaranty upon which the judgment was based. On October 5, 1956, leave was granted defendants to file a motion for judgment on the pleadings and continuing the motion until October 10, 1956. The motion was again continued until October 11, 1956. On October 11, 1956, the Neale-Phypers Company, an Ohio corporation and appellant herein, filed a motion to substitute as party plaintiff. That motion set forth that on October 8, • 1956, plaintiff’s assignee, Schroeder, had assigned the judgment in this cause to Neale-Phypers Company. The motion was