The color(s) burgundy and white is/are claimed as a feature of the mark.
"PHILADELPHIA ELECTRICAL EQUIPMENT CO"
The mark consists of a large burgundy stylized "p" containing a white bell in the center with the wording "PASS" and "STOW PHILAD MDCCLIII" in black inside, "Philadelphia Electrical Equipment Co." is written in burgundy to the lower right of the "p". The mark has a white background.
P PHILADELPHIA ELECTRICAL EQUIPMENT CO. PASS AND STOW PHILADELPHIA SEVENTEEN FIFTY THREE; P PHILADELPHIA ELECTRICAL EQUIPMENT CO. PASS AND STOW PHILADELPHIA ONE THOUSAND SEVEN HUNDRED FIFTY THREE