UNITED STATES PATENT AND TRADEMARK OFFICE ________________ BEFORE THE BOARD OF PATENT APPEALS AND INTERFERENCES ___________ Ex parte ROBERT G. EVERTS and KATSUMI KURIHARA ___________ Appeal No. 2006-1644 Application No. 10/666,924 ___________ ON BRIEF ___________ Before OWENS, NAPPI and FETTING, Administrative Patent Judges. OWENS, Administrative Patent Judge. DECISION ON APPEAL This appeal is from a rejection of claims 8-19, which are all of the pending claims. THE INVENTION The appellants claim a hand held, portable power tool having a four stroke engine. Claim 14 is illustrative: 14. A hand-held, portable, power tool adapted to be carried by an operator while in use, comprising: a frame, including a handle engageable by an operator; an implement cooperating with the frame and having a rotary-driven input member, a lightweight, four-stroke cycle, internal combustion, spark-ignition engine attached to said frame wherein said engine comprising: a lightweight engine block defining a cam housing, a crank chamber and a cylindrical bore; an intake valve and exhaust valve; a piston slidably disposed in said cylindrical bore;Page: 1 2 3 4 5 6 7 NextLast modified: November 3, 2007