Granted Patent
Utility
US 6,240,940 · App. 09/556,137
Collapsible shelter with flexible, collapsible canopy
Inventor:
Mark C. Carter
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Apr 21, 2000
Inventor
Mark C. Carter
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.