No. 20041 Decided December 21, 1926. Mechanics' liens — Notice to owner — Section 8312, General Code — Applies to contractor and subcontractor, but not materialman — Dealer furnishing material to contractor a materialman, and not subcontractor, when — Attorney's fees payable only from fund realized for valid lien claimants — Section 8323, General Code. 1. The provisions of Section 8312, General Code, requiring notice to be served upon the owner of a structure being erected under contract, apply to