Granted Patent
Utility
US 5,572,950 · App. 08/403,231
Cat litter box assembly having a cover and a retractable hood
Inventors:
Anthony O'Rourke, Kevin Koloszvari
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Mar 9, 1995
Inventors
Anthony O'Rourke
Kevin Koloszvari
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.