Popeye the Sailor copyright free 70 years after Elzie Segar's death
see http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/tv_and_radio/kids_tv/article5415854.ece
Always been a fan of Elzie Segar clean and efficient drawing
So glad that Popeye is now in Public domain -
A remix of http://www.openclipart.org/detail/631 originally derived from the US government EPA "Sunwise" program. I converted it from PDF format. the source link is here - http://www.epa.gov/sunwise/doc/poster.pdf
There is more detail on the doors.