Granted Patent
Utility
US 4,667,376 · App. 06/866,861
Automatic locking slider for slide fasteners
Inventors:
Susumu Ishii, Kiyoshi Oda
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: May 23, 1986
Inventors
Susumu Ishii
Kiyoshi Oda
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.