Granted Patent
Utility
US 4,768,263 · App. 07/069,313
Automatic lock slider for slide fastener
Inventors:
Takeo Fukuroi, Ichiro Terasaki
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Jul 2, 1987
Inventors
Takeo Fukuroi
Ichiro Terasaki
Assignee (at issue)
Yoshida Kogyo K.K.
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.