US PATENT SUBCLASS 52 / 86
VERTICALLY CURVED ARCH WITH TERMINAL SUPPORT


Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

86VERTICALLY CURVED ARCH WITH TERMINAL SUPPORT {3}
87  DF  .~> With deck structure
88  DF  .~> Monolithic arch
89  DF  .~> Stonelike modules form arch


DEFINITION

Classification: 52/86

(under the class definition) Structure peculiar to an in situ erected primary, load bearing construction which as a whole forms a curved arch whose mid-point is above the externally supported terminal edges.

SEE OR SEARCH THIS CLASS, SUBCLASS:

67, for a telescoping three-dimensional section which may include a curved segment.

80.1+, for a compound curve cover.

85, for a settable material, curved, entrance archway.

245+, for a space enclosing, curvilinear wall.

319+, particularly subclasses 329 and 389 for a generally planar concrete barrier which may include a curved backing member supporting a cast section. 575, for a key type block, per se, which can be used to form a curved arch.

639+, for a curvilinear or peaked truss.

SEE OR SEARCH CLASS

14, Bridges,

24+, for an arch bridge which is not primarily of stone-like material.