Granted Patent
Utility
US 6,605,240 · App. 09/788,207
Over the top hinged concrete form and method of using the same
Inventor:
John J. Hambelton
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Feb 16, 2001
Inventor
John J. Hambelton
Assignee (at issue)
Symons Corporation
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.