The UP is serious about protecting the current logo(s) in addition to some of the railroads they aquired. If you want to see how serious they are read further:
Chicago & Northwestern Railroad trademarks: The trademark had expired and the UP refiled for the trademark on December 31, 2002 for several applicable categories including: Ornamental pins; watches; rings being jewelry; Pens; playing cards; post cards; hand-held paper fans; brochures about tourism; maps; calendars; rulers; coasters; stickers; Mugs; plates; cups; plastic water bottles sold empty;Hats; t-shirts; Sport balls; model train sets; Matches.
The trademark is currently held by the Union Pacific Railroad Company CORPORATION DELAWARE 1416 Dodge Street Omaha NEBRASKA 68179 The attorney of record was: Denise C. Mazour
The same applies for: Southern Pacific Lines MKT Railroad Missouri Pacific Western Pacific Feather River Route Cotton Belt
They do not currently hold trademarks for the following railroads which I believe all eventually became a part of the UP system: Denver & Rio Grande Rio Grande Southern Chicago Great Western Central Pacific Railroad Chicago Galena & Union Oregon Shortline Denver & Salt Lake Alton & Southern Pacific Fruit Express
The funny thing is many of these could be or could have been obtained assuming there was no challenge to the application for the trademarks.
Oddly enough the Rock Island trademark is held by Maytag Corporation CORPORATION DELAWARE 403 West Fourth St. North Newton IOWA 50208. It is a live trademark and available to use on toys, namely, miniature railroad engines and cars.
After looking into this I am convinced the Union Pacific is looking at this as a money making opportunity, i.e. they want a cut of sales. They also want to protect their trademarks from use by people marketing products with their logos.
Charles Bix Attorney-Out-Law