US PATENT SUBCLASS 138 / 156
LONGITUDINALLY SEAMED

Current as of: June, 1999
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138 /   HD   PIPES AND TUBULAR CONDUITS

156LONGITUDINALLY SEAMED {8}
157  DF  .~> Sectional {3}
164  DF  .~> With packing
165  DF  .~> With wedge
166  DF  .~> With tongue in slot
167  DF  .~> With diverse locking means
168  DF  .~> With interlocking hooks
169  DF  .~> Diversity of seam
170  DF  .~> Permanent type seam {1}

DEFINITION

Classification: 138/156

(under the class definition) Device having a longitudinally extending seam.

SEE OR SEARCH THIS CLASS, SUBCLASS:

128, for a flexible pipe with a longitudinal seam.

151+, for a distinct layer pipe wherein one layer is longitudinally seamed.

SEE OR SEARCH CLASS

220, Receptacles,

677+, for containers having a longitudinally extending seam. 428, Stock Material or Miscellaneous Articles,

583, for a metallic intermediate article held together by bonding at the edges only.