Granted Patent
Utility
US 4,189,960 · App. 05/851,648
Underdrive transmission with sun gear and carrier slidable as a subassembly
Patented Case
View Patent ↗
Granted: Feb 26, 1980
Filed: Nov 15, 1977
Assignee (at issue)
BorgWarner 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.