Granted Patent
Utility
US 6,336,567 · App. 09/230,760
Magnetic secured container closure with release by movement of magnetic member
Inventor:
Yukihiro Hyobu
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Feb 1, 1999
Inventor
Yukihiro Hyobu
Assignee (at issue)
Kakizaki Manufacturing Co., 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.