Granted Patent
Utility
US 6,575,273 · App. 09/926,750
Bag with two convex lids
Inventors:
Håkan Bergkvist, Elisabet Broms
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Dec 12, 2001
Inventors
Håkan Bergkvist
Elisabet Broms
Assignee (at issue)
BabyBjörn AB
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.