Granted Patent
Utility
US 4,077,822 · App. 05/742,384
Splice for use during the thermal stabilization of a flat multifilament band of an acrylic fibrous material comprising at least two segments
Inventor:
John R. Logwin
Patented Case
View Patent ↗
Granted: Mar 7, 1978
Filed: Nov 17, 1976
Inventor
John R. Logwin
Assignee (at issue)
Celanese GmbH
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.