Granted Patent
Utility
US 4,268,939 · App. 06/054,439
Slider for a large sized slide fastener
Inventor:
Takeo Fukuroi
Patented Case
View Patent ↗
Granted: May 26, 1981
Filed: Jul 3, 1979
Inventor
Takeo Fukuroi
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.