Granted Patent
Utility
US 4,579,126 · App. 06/696,367
Liquid drainage system with emptying system
Inventor:
James P. Cianci
Patented Case
View Patent ↗
Granted: Apr 1, 1986
Filed: Jan 30, 1985
Inventor
James P. Cianci
Assignee (at issue)
The Kendall Company 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.