Related Clues:

• --- U.S. Pat. Off.
• Trademark type: Abbr.
• Avg., sizewise
• Gas station abbr.
• Official rule, in slang
• G.P.A. part: Abbr.
• Regulation, for short
• Normal: Abbr.
• Bylaw, briefly
• Spring training fig.
• Batting stat
• -- U.S. Pat. Off
• ''Andy Capp'' cartoonist Smythe, to friends
• 3, for 2 and 4: Abbr.
• Summary stat.