Granted Patent
Utility
US 4,463,723 · App. 06/364,508
Apparatus for controllably opening a carburetor choke valve
Inventor:
Chusak Tansuwan
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Apr 1, 1982
Inventor
Chusak Tansuwan
Assignee (at issue)
ACF Industries Incorporated
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.