United States Patent: 3738905 ( 1
Issue Date:
U.S. patent number [Application Number ] was granted by the patent office on 1973-06-12 for united states patent: 3738905 ( 1.
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| United States Patent | 3,738,905 |
| Issue Date: | June 12, 1973 |
| Current U.S. Class: | 428/154; 156/210; 156/547; 428/184; 156/205; 156/462; 428/178 |
| Current CPC Class: | B32B 3/30 (20130101); B32B 7/05 (20190101); B31F 1/242 (20130101); B32B 29/08 (20130101); B32B 29/005 (20130101); B31F 1/07 (20130101); B32B 3/28 (20130101); A47K 10/16 (20130101); B32B 38/06 (20130101); B32B 37/1292 (20130101); D21H 27/40 (20130101); B32B 7/12 (20130101); D21H 21/20 (20130101); B31F 2201/0756 (20130101); B31F 2201/0761 (20130101); B31F 2201/0766 (20130101); B32B 2432/00 (20130101); B32B 2555/02 (20130101); B31F 2201/0782 (20130101); D21H 11/02 (20130101); D21H 13/08 (20130101); B32B 2317/127 (20130101); B31F 2201/0787 (20130101); Y10T 428/24463 (20150115); B32B 2250/02 (20130101); B31F 2201/0738 (20130101); B32B 2555/00 (20130101); B32B 2250/26 (20130101); Y10T 428/24661 (20150115); Y10T 156/1025 (20150115); Y10T 156/1722 (20150115); B32B 2317/12 (20130101); B32B 2250/40 (20130101); D21H 23/56 (20130101); B31F 2201/0728 (20130101); Y10T 428/24711 (20150115); B31F 2201/0735 (20130101); Y10T 156/1016 (20150115) |
| Current International Class: | B32B 23/00 (20060101); A47K 10/00 (20060101); B31F 1/08 (20060101); B31F 1/00 (20060101); B32B 23/06 (20060101); A47K 10/16 (20060101); B32B 29/06 (20060101); B32B 3/00 (20060101); B32B 1/00 (20060101); B32B 3/12 (20060101); B32B 3/28 (20060101); B32B 3/30 (20060101); B32B 29/00 (20060101) |
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