The mark consists of a repeating sequence of the letter "O" and numeral" "7 between two solid lines extending across substantially the length of the goods. The matter shown in broken lines is not part of the mark and serves only to show the relative placement of the mark.
013, 021, 023, 031, 034
Design plus words, letters, and/or numbers
Color is not claimed as a feature of the mark.
Couplings and joints, metal pipe , Circles, plain single line , Circles - five or more, Bands, straight , Bands, horizontal