Granted Patent
Utility
US 5,584,313 · App. 08/566,055
Piston pressure-type vacuum breaker
Inventor:
Gregory L. Britt
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Dec 1, 1995
Inventor
Gregory L. Britt
Assignee (at issue)
Conbraco Industries, Inc.
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.