Granted Patent
Utility
US 4,501,245 · App. 06/591,425
Fuel injection valve with variable lifting amount of the nozzle needle
Inventor:
Shigeo Taira
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Mar 20, 1984
Inventor
Shigeo Taira
Assignee (at issue)
Diesel Kiki Co., Ltd.
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.