US PATENT SUBCLASS 493 / 216
.~.~.~ Return envelope or message card and main envelope

Current as of: June, 1999
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493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

51  DF  CONTAINER MAKING {2}
186  DF  .~ Pliable container (e.g., bag, envelope, etc.) {9}
210  DF  .~.~ Assembling of distinct members {12}
216.~.~.~ Return envelope or message card and main envelope

DEFINITION

Classification: 493/216

Return envelope or message card and main envelope:

(under subclass 210) Method or apparatus for forming a member and a receptacle, for the insertion of sheet material, wherein the member and a receptacle are attached to each other and wherein the member is intended to be inserted inside the receptacle to be subsequently taken out of and detached away from the receptacle for information transmitting use.

SEE OR SEARCH CLASS

53, Package Making, for placing a second envelope in a first envelope, if they are not attached to each other.