Granted Patent
Utility
US 4,248,359 · App. 05/951,373
Weigh-out system for collapsible surge bin
Inventor:
James D. Brock
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Oct 16, 1978
Inventor
James D. Brock
Assignee (at issue)
Astec Industries, 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.