Granted Patent
Utility
US 4,386,485 · App. 06/240,420
Multicomponent extendible structure
Inventor:
Richard E. Kramer
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Mar 4, 1981
Inventor
Richard E. Kramer
Assignee (at issue)
Fairchild 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.