Granted Patent
Utility
US 5,294,752 · App. 07/464,370
Multi-layer elastic sleeves for electric power cable joints and joints therewith
Inventors:
Ubaldo Vallauri, Bruno Parmigiani, Francesco Portas
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Jan 12, 1990
Inventors
Ubaldo Vallauri
Bruno Parmigiani
Francesco Portas
Assignee (at issue)
Pirelli Cavi S.p.A.
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.