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Class Information
Number: 229/21
Name: Envelopes, wrappers, and paperboard boxes >
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
229/	Paperboard box (229/100)	0
229/100	Paperboard box	36
229/400	Paper or paperboard cup	231
229/406	Molded or pressed container	175
229/67.1	File folder or file envelope	104
229/68.1	Envelope	153
229/800	Miscellaneous	21
229/87.01	Wrapper	138
229/900	Including means to facilitate handling by a mechanical apparatus during manufacturing or filling	38
229/901	Box structure alternatively useable as a container or a lid	20
229/902	Box for prepared or processed food	89
229/906.1	Cup lid with means for forming a drinking opening	92
229/907	Trash box	38
229/908	Paint tray	0
229/909	Cigar box	3
229/910	Bucket or pail type (i.e., liquid proof container with handle)	2
229/913	Drawer-type	10
229/914	Basket-type with handle	6
229/915	Stacking feature	174
229/92.8	Postal cards or packets	243
229/92.9	Coin cards	2
229/920	Stress relief	63
229/921	With mailing indicia	26
229/922	With decorative feature	32
229/924	Means to facilitate gripping a tear strip	33
229/927	Means for tearing or breaking rigid or semirigid thermoplastic container	26
229/928	Expandable envelope	24
229/929	Vented envelope	4
229/930	Fold detail	104
229/932	Ice cream cone carrier	21
229/933	Mating container blanks	32
229/938	Sandwich holder	69
229/939	Container made of corrugated paper or corrugated paperboard	157
229/940	Container material with specified grain direction	42
229/941	Box having joint structure for preventing leakage	23
229/942	Nonreusable box having means to facilitate collapsing or disassembling for disposal or for recycling of the box material (e.g., "knockdown" type)	18