32 Pa. Stat. § 555
If any person or persons shall fraudulently or wilfully use the registered mark of another, or shall fraudulently make claim to be the owner of any lumber of any kind, whether marked or not, in and along said streams and main river, or shall fraudulently refuse to deliver up any lumber of the kinds aforesaid, duly stamped or marked as aforesaid, in accordance with the second and third sections of this act; or shall, without authority from the owner or owners thereof, wilfully deface or obliterate any marks, names, figures, letters or other devices of designation thereon, whether registered or not; or shall fraudulently saw, split, consume, destroy, or injure or knowingly permit to be sawed or consumed upon his, her or their mill, or other factory, or shall fraudulently sell or purchase, or convert to his, her or their use any lumber of the kinds mentioned in the first section of this act, whether marked with registered marks as aforesaid, or not, unless the same shall have become duly forfeited, according to the provisions of this act, or the provisions of existing laws, every such person so offending shall, for every such offense, upon conviction thereof, forfeit and pay a sum, not exceeding one thousand dollars, and if the court deem proper, also undergo an imprisonment by separate and solitary confinement at labor, or simple imprisonment, not exceeding three years.
32 P.S. § 555