Granted Patent
Utility
US 4,438,857 · App. 06/397,550
Cap and neck structure for a wide-mouth jar
Inventor:
Joseph J. Bullock, III
Patented Case
View Patent ↗
Granted: Mar 27, 1984
Filed: Jul 12, 1982
Inventor
Joseph J. Bullock, III
Assignee (at issue)
Three Sisters Ranch Enterprises
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.