Granted Patent
Utility
US 4,460,490 · App. 06/331,822
Lavatory cleansing blocks
Inventors:
Eric Dennis Barford, Daniel Jeffrey, Paul Anthony Raynor
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Dec 17, 1981
Inventors
Eric Dennis Barford
Daniel Jeffrey
Paul Anthony Raynor
Assignee (at issue)
Jeyes Group Limited
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.