This is a suit in equity for infringement of United States letters patent No. 1,475,932, issued December 4, 1923, to Cappon, for a single-fluid ink eradicator and the process of eradicating ordinary inks from paper substantially by the application of the fluid.
Infringement is not denied, and the only substantial question is as to the validity of the patent.
Claims 1, 2, 4, 5...
Let's get started
Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.
- Updated daily.
- Uncompromising quality.
- Complete, Accurate, Current.
