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Class Information
Number: 229/20
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 37
229/400 Paper or paperboard cup 252
229/406 Molded or pressed container 186
229/67.1 File folder or file envelope 131
229/68.1 Envelope 171
229/800 Miscellaneous 22
229/87.01 Wrapper 152
229/900 Including means to facilitate handling by a mechanical apparatus during manufacturing or filling 39
229/901 Box structure alternatively useable as a container or a lid 21
229/902 Box for prepared or processed food 105
229/906.1 Cup lid with means for forming a drinking opening 111
229/907 Trash box 38
229/908 Paint tray 0
229/909 Cigar box 4
229/910 Bucket or pail type (i.e., liquid proof container with handle) 2
229/913 Drawer-type 11
229/914 Basket-type with handle 6
229/915 Stacking feature 188
229/92.8 Postal cards or packets 266
229/92.9 Coin cards 2
229/920 Stress relief 69
229/921 With mailing indicia 30
229/922 With decorative feature 34
229/924 Means to facilitate gripping a tear strip 34
229/927 Means for tearing or breaking rigid or semirigid thermoplastic container 27
229/928 Expandable envelope 29
229/929 Vented envelope 4
229/930 Fold detail 111
229/932 Ice cream cone carrier 21
229/933 Mating container blanks 34
229/938 Sandwich holder 71
229/939 Container made of corrugated paper or corrugated paperboard 172
229/940 Container material with specified grain direction 47
229/941 Box having joint structure for preventing leakage 25
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


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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