US PATENT SUBCLASS 229 / 68.1
ENVELOPE

Current as of: June, 1999
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229 /   HD   ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES

68.1ENVELOPE {10}
68.2  DF  .~> Including handle
69  DF  .~> Series
300  DF  .~> Including remailing means (e.g., envelope, postcard, address label, etc.) {1}
307  DF  .~> Having means to facilitate opening the envelope by severing it (e.g., tearing, cutting, piercing, etc.) {3}
70  DF  .~> Coupon
71  DF  .~> Display
72  DF  .~> Compartment
74  DF  .~> Tag
75  DF  .~> Blanks
76  DF  .~> Closures {3}

DEFINITION

Classification: 229/68.1

ENVELOPE:

(under the class definition) Receptacle comprising a substantially flat container having two walls joined at their edges to form a pocket-like enclosure made of paper or paper substitute material, which is disclosed for enclosing a sheet-like article (e.g., document) while it is being transported (e.g., mailed).

(1) Note. An envelope is usually made of paper or paper-like material such as a flexible sheet of cellulosic or resinous material (e.g., plastic film).

SEE OR SEARCH CLASS

206, Special Receptacle or Package,

309, for an envelope configured to hold a compact disc or record.

235, Registers, various subclasses, for systems including a machine-readable data-bearing envelope.

283, Printed Matter,

116, for a conventional envelope including printed matter. 493, Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web,

186+, for method or apparatus under the class definition for making a pliable container, subclass 917 for a cross-reference art collection of operations involving the construction of an envelope, and subclass 918 for a cross-reference art collection of operations involving the construction of an expandable envelope.