Back to results
US 4,137,679 AGranted
Inverted, doubly-curved umbrella, hyperbolic paraboloid shells with structurally integrated upper diaphragm
OwnerDaniel F. Tullyinventor
Life of this patent
Estimating the term…
Abstract
A building unit which comprises a column adapted to be fitted to a foundation and supporting a plurality of identical, doubly-curved umbrella, hyperbolic paraboloid shells inverted so that their top edges form a plane figure, and a continuous, horizontal member integrated with said edges.
Claims4
A building unit comprising a column adapted to be anchored to a foundation and supporting a plurality of doubly-curved, umbrella, hyperbolic paraboloid shells inverted so that their top edges form a plane figure and a continuous horizontal member integrated with said edges.
Dependencies are inferred from the claim text.