Granted Patent
Utility
US 4,291,453 · App. 06/083,065
Apparatus for and method of severing a flexible reinforced elastomeric conduit supported on a plurality of elongated end-to-end rigid mandrels
Inventor:
Julien C. Mathieu
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: Oct 9, 1979
Inventor
Julien C. Mathieu
Assignee (at issue)
DayCo Holdings, LP
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.