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CLASS 229,	ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES
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SECTION I - CLASS DEFINITION

This class provides for certain special types of receptacles called Paperboard Boxes, File Folders, and Envelopes, and further provides for certain special types of articles called Postal Cards and Packets, and Wrappers for a mercantile unit.

(A) This is the class for envelope being defined as a substantially flat receptacle 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).

(B) This is the class for file folders, a file folder being defined as a substantially flat receptacle having two walls connected at a bottom fold line, or to an expandable bottom wall; and which is disclosed for storing a sheet-like article (e.g., document) in a file cabinet.

(C) Wrappers- This is the class for wrappers, a wrapper being defined as a single-use covering having a structural element (e.g., fastener, seal, etc.) or a specified shape adapting it for wrapping a mercantile unit, and as being made of paper or paper-substitute material.

(D) This is the class for paperboard boxes, a paperboard box being defined as a container made from material similar in composition to paper but thicker and stiffer in character, the container having a bottom portion for supporting content, peripheral wall structure for at least partially surrounding the content, and an access opening intended for the insertion or removal of content.

(E) This class also provides for postal cards, letter sheets, and packets, a post card being defined as a card peculiarly adapted carry information and be mailed by itself; a letter sheet being defined as a sheet peculiarly adapted to carry information, and is disclosed as being defined as a mailing sheet having an enclosure, the packet being peculiarly adapted to carry information and be mailed as a unit.

SECTION II - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS

RELATION TO SUPPORT CLASSES

In general, as between the receptacle classes and the support classes, the receptacle classes provide for the combination of a receptacle plus support; except, the support classes will accept a claim to a support combined with a receptacle, wherein the claim (a) nominally recites the receptacle, or (b) recites only so much of the receptacle structure as is need to cooperate with the support, or (c) recites only those receptacle features which have been modified specifically to cooperate with the support.

Class 150, Purses, Wallets, and Protective Covers, provides for flexible protective article covers which are reusable.

Class 220, Receptacles, takes containers not provided for elsewhere.

SECTION III - SUBCLASS REFERENCES TO THE CURRENT CLASS

SEE OR SEARCH THIS CLASS, SUBCLASS:

SECTION IV - REFERENCES TO OTHER CLASSES

SEE OR SEARCH CLASS:

SUBCLASSES

4.5	Cylindrical or conical body, or wall structure:
	This subclass is indented under 100.  Subject matter relating to the structure of the body or walls of boxes of cylindrical or conical form. SEE OR SEARCH THIS CLASS, SUBCLASS: 5.81+, for waterproofed boxes. 93, for open ended paper mailing tubes. 120.02+, for compartmented boxes. SEE OR SEARCH CLASS: 220,  Receptacles,   appropriate subclasses for similar receptacle structure.

5.5	End structure:
	This subclass is indented under 100.  Subject matter relating to the end structure of the receptacle or in the method of attaching it to the side walls other than by crimping or by means of separate fasteners. SEE OR SEARCH CLASS: 220,  Receptacles,   subclasses 600+ for analogous end structures.

5.6	Crimped seam:
	This subclass is indented under subclass 5.5.  Subject matter in which the end is held in place by being rolled on the edge of the side walls, or the wall is rolled over the end, or the two are rolled together. SEE OR SEARCH CLASS: 215,  Bottles and Jars,   subclasses 316+ for cap closures for bottles and jars. 220,  Receptacles,   subclasses 615+ for similar seams or joints. 413,  Sheet Metal Container Making,   subclasses 9+ for processes of making container closures or of closing a container.

5.7	Separate fastener:
	This subclass is indented under subclass 5.5.  Subject matter wherein the end and body are secured together by a separate member, as a channeled annular ring or hoop or body-reinforcements bent over the end, etc. SEE OR SEARCH CLASS: 53,  Package Making,   subclasses 410+ for methods and subclasses 128+ for apparatus to form a package and to apply to the cover thereof some accessory, characteristic or device in addition to or beyond the mere enclosure of the contents. 217,  Wooden Receptacles,   subclasses 91+ for barrel hoops.

5.8	Pressed bottom or top:
	This subclass is indented under subclass 5.5.  Subject matter relating to bottoms and tops for cylindrical or conical boxes made by pressing the material in dies. SEE OR SEARCH THIS CLASS, SUBCLASS: 406+, for a molded paperboard receptacle.

5.81	Box material includes a coating or a nonpaperboard lamination or is permeated with a substance:
	This subclass is indented under subclass 100.  Subject matter wherein the box or box material (1) includes a thin layer of material which was applied to it in liquid form or (2) includes a sheet of material bonded to it as it (the sheet of material) is being formed, e.g., by extrusion, or (3) is impregnated with a material, usually in liquid form. SEE OR SEARCH THIS CLASS, SUBCLASS: 117.27+, for a box having a bag liner. 164.1, for a flexible or flaccid external covering formed from an initially separate sheet of material. 164.2, for a flexible or flaccid internal, nonbag lining formed from an initially separate sheet of material.

5.82	Metal foil:
	This subclass is indented under subclass 5.81.  Subject matter wherein the box or box material is coated or laminated with a thin, supple sheet of metal.

5.83	Box material coated or permeated with a lacquer (e.g., shellac, varnish):
	This subclass is indented under subclass 5.81.  Subject matter wherein a liquid organic material which dries by evaporation of a volatile constituent has been applied to the material from which the box is made.

5.84	Box material coated, laminated, or permeated with a thermoplastic material:
	Subject matter under 5.81 wherein the box material is coated, laminated, or impregnated with a material which flows when heated and which is stable when cooled. SEE OR SEARCH CLASS: 428,  Stock Material or Miscellaneous Articles,   subclasses 34.1+ for a nominally recited container having two or more permanently attached layers of material. A recitation of specific seam structure (other than mere layers) or of the internal or external surface of the container is not a nominal recitation and is proper for this class.

5.85	Wax:
	This subclass is indented under subclass 5.84.  Subject matter wherein the thermoplastic material comprises either (1) a material consisting essentially of high molecular weight hydrocarbons or esters of fatty acids, insoluble in water but soluble in most organic solvents or (2) a substance of mineral origin, primarily petroleum, such as ozocerite or paraffin.

67	Barrels:
	This subclass is indented under 100.  Subject matter comprising paper barrels having a curved bilge.

67.1	FILE FOLDER OR FILE ENVELOPE:
	This subclass is indented under the class definition.  Receptacle comprising a substantially flat receptacle having two walls connected at a bottom fold line, or to an expandable bottom wall; and which is disclosed for storing a sheet-like article (e.g., document) in a file cabinet. (1) Note. A file folder or envelope can have closed ends, and may be expandable to a nonflat shape. (2) Note. A file folder or envelope is usually placed in a file cabinet under a heading which facilitates retrieval. (3) Note. A file folder or envelope may have the secondary function of holding an article while being transported. SEE OR SEARCH CLASS: 40,  Card, Picture, or Sign Exhibiting,   subclass 359 for a file folder including display element such as a discrete label, label holder, or a portion of the folder intended to receive a number, letter of an alphabet, marks, etc., where the claim (1) nominally recites the file folder or (2) recites only so much of the file folder needed to cooperate with the display element. 206,  Special Receptacle or Package,   subclass 425 for a file box for plural cards or sheets. 211,  Supports: Racks,   especially subclass 46 for a rack including a support upon which sheets are mounted for movement. 283,  Printed Matter,   appropriate subclasses for a file folder or other folded sheet including printed matter thereon, where the file folder is nominally claimed or is conventional. 312,  Supports: Cabinet Structure,   especially subclasses 183 and 184 for a cabinet including support means for a sheet-like member. 402,  Binder Device Releasably Engaging Aperture or Notch of Sheet,   appropriate subclasses for a binder, and subclass 80 for a sheet or folded sheet such as a file folder, notched or apertured for use in binder. 493,  Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web,   subclass 947 for a cross-reference art collection of operations involving the construction of a file folder.

67.2	Hanging type:
	This subclass is indented under subclass 67.1.  File folder or file envelope including structure intended to suspend the file folder or envelope. SEE OR SEARCH CLASS: 211,  Supports: Racks,   especially subclass 46 for a rack including a support upon which sheets are mounted for movement. 248,  Supports,   especially subclasses 317+ for a hanging-type support. 312,  Supports: Cabinet Structure,   especially subclasses 183 and 184 for a cabinet including support means for a sheet-like member.

67.3	Expandable:
	This subclass is indented under subclass 67.1.  File folder or file envelope including means to allow adjustment of its size. SEE OR SEARCH THIS CLASS, SUBCLASS: 101+, for a variable volume paperboard box. SEE OR SEARCH CLASS: 383,  Flexible Bags,   subclass 2 for a bag having a selectively adjustable volume and subclass 120 for a bag having a pleat or gusset.

67.4	Including Closure:
	This subclass is indented under subclass 67.1.  File folder or file envelope including structure intended to obstruct the passage of material into or out of the folder or envelope.

68.1	ENVELOPE:
	This subclass is indented 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,   subclass 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,   subclass 116 for a conventional envelope including printed matter. 493,  Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web,   subclasses 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.

68.2	Including handle:
	This subclass is indented under subclass 68.1.  Envelope including structure intended to aid in manually holding or carrying the envelope.

69	Series:
	This subclass is indented under subclass 68.  Subject matter comprising two or more envelopes so connected together as to permit their being separated without opening the pockets. SEE OR SEARCH THIS CLASS, SUBCLASS: 72, for compartmented envelopes.

70	Coupon:
	This subclass is indented under subclass 68.  Envelopes having a coupon attached and intended principally for sending goods by express.

71	Display:
	This subclass is indented under subclass 68.  Envelopes having openings through which the contents may be seen.

72	Compartment:
	This subclass is indented under subclass 68.  Envelopes having more than one pocket, but not so formed as to avoid any liability of opening the pockets if an attempt is made to separate them. The envelope may be made from one blank or more than one blank, and it is not essential that all the pockets have closing means. SEE OR SEARCH THIS CLASS, SUBCLASS: 69, for plural, connected envelopes.

74	Tag:
	This subclass is indented under subclass 68.  Envelopes constructed to be used in the manner of a tag for attachment to goods.

75	Blanks:
	This subclass is indented under subclass 68.  Subject matter relating to the cut and folded blank for forming an envelope.

76	Closures:
	This subclass is indented under subclass 68.  Subject matter relating to means for closing the mouth of the envelope.

77	Including a fastener:
	This subclass is indented under subclass 76.  Envelope closures provided with some special means of fastening.

78.1	Metallic:
	This subclass is indented under subclass 77.  Envelope wherein the fastener is made of metal. SEE OR SEARCH CLASS: 24,  Buckles, Buttons, Clasps, etc.,   appropriate subclasses for a fastener, per se.

78.2	Reusable:
	This subclass is indented under subclass 78.1.  Envelope wherein the metallic closure element can be used to close the envelope more than once. SEE OR SEARCH CLASS: 383,  Flexible Bags,   subclasses 81 , 86+, 95, and 99 for a flexible bag including a reusable closure.

79	Seal:
	This subclass is indented under subclass 77.  Envelope closures in which the closure is effected by sealing-wax or other adhesive form of seal. Also included are those closures in which a fastener is protected by means of a seal.

80	Sealing:
	This subclass is indented under subclass 76.  Envelope closures comprising some special mode of closing the envelope by means of an ordinary gummed flap.

80.5	Releasable or frangible bond (e.g., peel seal):
	This subclass is indented under subclass 80.  Subject matter wherein two parts of the envelope (one of which is usually a closure flap) are secured together by a peelable or frangible adhering means (e.g., glue, heat seal, etc.) so that the parts may be easily separated without tearing to gain access to the interior of the envelope. SEE OR SEARCH THIS CLASS, SUBCLASS: 123.1, for a box having a separate, peelable closure or securing element. SEE OR SEARCH CLASS: 383,  Flexible Bags,   subclasses 210+ for a bag having a releasable or frangible bond. 428,  Stock Material or Miscellaneous Articles,   subclass 43 for a sheet, web or layer which has been weakened to facilitate tearing and subclasses 131+, particularly subclass 136, for sheet material having slits or apertures.

81	Perforated:
	This subclass is indented under subclass 80.  Envelope closures of the gummed type, but in which there are perforations for the purpose of preventing the opening of the envelope without detection.

82	Tongues:
	This subclass is indented under subclass 80.  Envelope closures of the gummed flap form, which is provided with a tucked-in tongue.

83	Soluble dye:
	This subclass is indented under subclass 80.  Envelope closures having sealing-flaps which are printed with or have concealed in them a soluble dye which spreads if the envelope is tampered with by the use of water or steam. SEE OR SEARCH CLASS: 283,  Printed Matter,   subclasses 72+ for safety paper or printed matter having fraud preventing characteristics wherein there are structural features other than the coating or impregnant. 427,  Coating Processes,   subclass 7 for processes of coating wherein the product produced includes a fraud or tamper detecting feature. 428,  Stock Material or Miscellaneous Articles,   subclass 199 for a single or plural layer web or sheet including a developable image or soluble portion which would indicate an attempt to tamper therewith (e.g., safety paper), and subclasses 915 and 916 (cross-reference art collections for products which are made to detect attempts at tampering.

84	Tongue:
	This subclass is indented under subclass 76.  Envelope closures wherein the closing is effected simply by a tucked-in tongue with no sealing-flap.

87.01	WRAPPER:
	This subclass is indented under the class definition.  Subject matter comprising a single-use covering made of paper or paper-substitute material and having a structural element (e.g., fastener, seal, etc.) or a specified shape adapting it for a wrapping a mercantile unit. (1) Note. A "single-use" covering is one which is discarded after use. (By contrast, Class 150, Purses, Wallets, and Protective Covers, provides for a flexible, protective article cover which is reusable). (2) Note. An example of a paper-substitute material is a flexible sheet of cellulosic or resinous material (e.g., plastic film). (3) Note. A mercantile unit includes means in or by which goods are displayed, protected, packaged, or arranged in a particular manner to facilitate sale, transportation in commerce, use or storage. SEE OR SEARCH CLASS: 47,  Plant Husbandry,   subclass 72 for a wrapper for a flower pot. 131,  Tobacco,   subclass 365 , for a cigar or cigarette, per se, which may have a paper or tobacco leaf wrapper which remains in place during smoking and is normally consumed. 150,  Purses, Wallets, and Protective Covers,   subclasses 154+ for a flexible, protective article cover made of flaccid material, which cover is intended to be reused. 206,  Special Receptacle or Package,   for an article and its containment means (wrapped goods), particularly subclass 597 for a package with a pallet feature and a binder wrap for content, and subclass 497 for a shrink film package. 383,  Flexible Bags,   for a receptacle having a flaccid or flexible wall, at least one closed end, and an access opening through which contents may be inserted or removed. 426,  Food or Edible Material: Processes, Compositions, and Products,   subclasses 106+ for a wrapped or packaged food product. 428,  Stock Material or Miscellaneous Articles,   subclasses 68+ for a sheet of material having a cover or casing.

87.02	Shock protection:
	This subclass is indented under subclass 87.01.  Subject matter wherein the wrapper includes means for protecting its contents from damage caused by a blow or an accelerating force. SEE OR SEARCH CLASS: 206,  Special Receptacle or Package,   subclasses 521+ for a special receptacle or package having means for protecting contents from shock.

87.03	Expansible (e.g., pleated, stretchable, etc.):
	This subclass is indented under subclass 87.01.  Subject matter wherein the wrapper includes means for increasing its size. SEE OR SEARCH CLASS: 383,  Flexible Bags,   subclass 120 for a pleated or gusseted bag and subclass 118 for a bag made of stretchable material.

87.04	With handle:
	This subclass is indented under subclass 87.01.  Subject matter wherein the wrapper includes structure which is intended to be gripped for lifting or carrying wrapped goods. SEE OR SEARCH THIS CLASS, SUBCLASS: 68.2, for an envelope having a carrying handle. SEE OR SEARCH CLASS: 383,  Flexible Bags,   subclasses 6+ for a flexible bag having a handle.

87.05	Including means to facilitate severing the wrapper (e.g., cutting, tearing, etc.):
	This subclass is indented under subclass 87.01.  Subject matter wherein the wrapper includes means to promote or enable severing it for access to wrapped goods. SEE OR SEARCH THIS CLASS, SUBCLASS: 200+, for a paperboard box having a severing means, and in particular subclass 203 wherein the box has a flexible outer wrapper. 307+, for an envelope having a severing means. SEE OR SEARCH CLASS: 383,  Flexible Bags,   subclasses 200+ for a flexible bag having severing means.

87.06	Including transparent portion or window:
	This subclass is indented under subclass 87.01.  Subject matter wherein a section of the wrapper is provided with means enabling wrapped goods to be viewed. (1) Note. An aperture extending through the wrapper may constitute a window. SEE OR SEARCH THIS CLASS, SUBCLASS: 71, for an envelope having a transparent portion or window. SEE OR SEARCH CLASS: 206,  Special Receptacle or Package,   subclasses 769+ and 776+ for a container or package of that class type including a covering which is transparent or has a transparent portion through which contents may be viewed. 383,  Flexible Bags,   subclass 106 for a flexible bag having a transparent portion or window.