Granted Patent
Utility
US 4,253,284 · App. 06/047,961
Foldable and curvilinearly extensible structure
Inventor:
Robert L. Bliss
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Jun 11, 1979
Inventor
Robert L. Bliss
Assignee (at issue)
THE UNIVERSITY OF UTAH
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.