US PATENT SUBCLASS 428 / 595 .~ Nonplanar, uniform-thickness material having symmetrical channel shape or reverse fold (e.g., making acute angle, etc.)
Current as of: June, 1999
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.~ Nonplanar, uniform-thickness material having symmetrical channel shape or reverse fold (e.g., making acute angle, etc.)
DEFINITION
Classification: 428/595
(under subclass 544) Subject matter wherein sheet or web material of uniform thickness is turned back upon itself through an angle of greater than 90 deg., or in which equal, longitudinal margin portions are bent perpendicular to the plane of the connecting portion.
(1) Note. The description of a stock-material* merely as "arcuate" is not enough for placement in this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
121+, for nonmetallic* sheet or web material having a fold at its edge.
603, for metallic* stock-material* having a V-shaped or L-shaped cross section.
SEE OR SEARCH CLASS
49, Movable or Removable Closures, 475.1+, for weatherstrip devices.
52, Static Structures (e.g., Buildings),
782.1+, for a composite building panel having a disparate edging.
174, Electricity: Conductors and Insulators,
126.1+, for conductor structure peculiar to that class.
238, Railways: Surface Track,
56, 59+ and 62+ for a railroad tie having a channel-shaped configuration.
293, Vehicle Fenders,
102+, for an automobile bumper.
405, Hydraulic and Earth Engineering,
277, for sheet-piling made up of C-shaped sections.
