Granted Patent
Utility
US 6,722,703 · App. 10/375,431
Quick connector with function of verifying complete connection
Inventor:
Akira Takayanagi
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Feb 27, 2003
Inventor
Akira Takayanagi
Assignee (at issue)
TOKAI RUBBER INDUSTRIES, LTD.
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.