Actually, Xeroc stricly enforces the use the Xerox trade name, and doesn't permit copy shops to advertize "xerox copies' unless they have a Xerox machine. (and then they want Xerox® Copies)

same goes for Cotton Swabs.. (Q-Tip is just one brand of cotton swabs.

likewise Scotch® brand adhesive tape (or Scotch® Brand Post It Notes.

Most companies work hard to make sure their brand name doesn't become a generic term.. (all most, but not quite!)

in US Aspirin is generic, but that's not true world wide.

In canada (and most of europe) you can only buy BAYER brand Aspirin.

and likewise in UK you hoover (vacuum) with any brand machine, but in US Hoover is just one (of several) brands of vacuum cleaners.

my other obsession