| Patents for B65D 27 - Envelopes or like essentially-rectangular flexible containers for postal or other purposes having no structural provision for thickness of contents (3,640) |
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| 03/02/1993 | US5190814 Polystyrene |
| 03/02/1993 | US5190210 Continuous mailing forms and mailing preparation system |
| 02/23/1993 | CA1313850C Envelope |
| 02/18/1993 | WO1993002934A1 Letter |
| 02/01/1993 | CA2048258A1 Continuous envelope, and the method of manufacture, and the device for the manufacture of the same |
| 01/30/1993 | CA2073946A1 Flip window for multiple return address |
| 01/19/1993 | CA1312890C Web-type multiple-part business form stock having pre-glued but non-adhered cross-web heat seal glue lines designed for activation to seal outgoing envelopes after printing-type personalization of potential forms thereof |
| 01/13/1993 | EP0522383A1 Envelope, case, mailing bag or the like and method for manufacturing the same |
| 01/09/1993 | CA2072823A1 Enclosure and method for making the enclosure |
| 01/07/1993 | WO1993000269A1 Security bags |
| 01/07/1993 | CA2112364A1 Security bags |
| 12/30/1992 | CN2126211U Convenient easily-opening fragrance envelope |
| 12/29/1992 | US5174493 C and Z fold reply envelope |
| 12/23/1992 | CN2125552U Easy open ehvelope |
| 12/23/1992 | CN2125551U Pressure-sensitive adhesive envelope flap |
| 12/16/1992 | EP0518792A1 Continuous window envelope |
| 12/16/1992 | CN2124881U Safety easily opening envelope |
| 12/15/1992 | CA1311450C Short length mailer structure and method of manufacture |
| 12/09/1992 | CN2124207U Envelope |
| 12/08/1992 | US5169061 Two way envelope |
| 12/08/1992 | US5169060 Direct and return mailing unit |
| 12/02/1992 | EP0515976A1 Package and method of making same |
| 12/01/1992 | US5167739 Pressure seal multiple part |
| 12/01/1992 | US5167455 Container |
| 11/26/1992 | WO1992020527A1 Postal letter |
| 11/24/1992 | CA1310618C Method affording an easy opening device for nonwoven thermoplastic fiberenvelopes |
| 11/18/1992 | CN2122123U Easy-to-rip-open envelope |
| 11/18/1992 | CN2122122U Easy-to-open envelope |
| 11/17/1992 | US5163612 Method of making a mailer with tear strip on outgoing and return envelopes |
| 11/11/1992 | EP0512029A1 Method for permanently closing a pocket enclosing documents and a pocket for carrying out the method. |
| 11/10/1992 | US5161735 Self-contained insert mailer |
| 11/04/1992 | CN2120771U Envelope with bind agent |
| 11/03/1992 | US5160022 Sample packet and media mailing system |
| 10/30/1992 | CA2065756A1 Two way envelope |
| 10/21/1992 | CN2119396U Easily opened envelope with glue |
| 10/14/1992 | EP0507922A1 Non-reusable envelope |
| 10/14/1992 | CN2118698U Secondary envelope |
| 10/07/1992 | CN2118049U Envelope capable of reusing |
| 10/06/1992 | CA1308394C Windowed mailer with return envelope for remittance document, having return mail-to address exposed by removal of original mail-to label |
| 10/06/1992 | CA1308393C Continuous form mailer assembly |
| 10/01/1992 | WO1992016383A1 Cut and read |
| 10/01/1992 | DE4109862A1 Despatch paper case, bag, or envelope - has extra outside pocket for address, invoice, and documents |
| 09/30/1992 | CN1064841A Integrated envelope |
| 09/29/1992 | US5150971 Diagnostic specimen mailing device |
| 09/29/1992 | CA2063884A1 Reversible envelope |
| 09/23/1992 | CN2116666U Convenient envelop |
| 09/03/1992 | WO1992014655A1 Method and device for secure storage of objects |
| 09/02/1992 | CN2114628U Convenient open envelope |
| 09/02/1992 | CN2114627U Reused encelope |
| 08/26/1992 | EP0499892A2 Shipping folding box, bag or the like and method of production |
| 08/21/1992 | CA2061537A1 Shipping pouch bag, or the like, and method for their production |
| 08/19/1992 | CN2113246U Envelope capable of sealing and opening easily |
| 08/11/1992 | USRE34024 Tear strip opening device |
| 08/04/1992 | US5135157 Combined envelope and greeting card |
| 07/29/1992 | CN2111264U Self-sticking envelope |
| 07/28/1992 | US5133496 Combination greeting card and gift pouch |
| 07/23/1992 | WO1992012064A1 Improvements in and relating to envelopes |
| 07/23/1992 | CA2100093A1 Envelopes |
| 07/21/1992 | US5131587 Combined calendar and envelope assembly |
| 07/21/1992 | CA1305454C Return envelope sealing flap construction |
| 07/15/1992 | CN1062703A 信封 Envelope |
| 07/08/1992 | CN1062507A Standard envelope for normalization of post code writing |
| 07/01/1992 | CN2108696U Easily opening envelope |
| 06/30/1992 | US5125563 Flip window for multiple return address |
| 06/24/1992 | CN2108061U Easy-to-open envelope |
| 06/24/1992 | CN2108060U Quick-opening evnelope |
| 06/24/1992 | CN2108059U Special envelope |
| 06/23/1992 | CA1304048C Conventional return envelope in a two-part mailer and method of assembly |
| 06/17/1992 | CN2107432U Easy open plastic bag |
| 06/10/1992 | CN2106803U Convenient parcel bag |
| 06/10/1992 | CN2106802U Convenient envelope |
| 06/10/1992 | CN2106801U Safety quick-sticking envelope |
| 06/09/1992 | CA1302976C Bifolded mailer with insert |
| 06/08/1992 | CA2031726A1 Multi-use envelope (multilope) |
| 06/02/1992 | US5118030 Mailer with perforated adhesive areas |
| 06/02/1992 | CA1302363C Two-part mailer with return envelope |
| 05/27/1992 | DE4037529A1 Postal reusable envelope front and back panel - has closure flap with lengthwise and transverse and extra flaps, with marker lines for opening |
| 05/14/1992 | WO1992007768A1 Non-reusable envelope |
| 05/01/1992 | WO1992007725A1 Letter blank |
| 05/01/1992 | CA2095129A1 Letter blank |
| 04/28/1992 | CA1299535C Envelope system with multiple pockets |
| 04/22/1992 | CN1060443A Self-sticking stamp and envelope |
| 04/15/1992 | EP0480449A2 Method and apparatus for producing communication article such as postcard and envelope |
| 04/15/1992 | CN2101644U Pressure adhesive envelope |
| 04/14/1992 | US5104036 Mailer with reply envelope |
| 04/07/1992 | US5102035 Envelope with identification tab |
| 03/31/1992 | CA1298251C Pivoting multiple clothes hanger |
| 03/18/1992 | EP0339053B1 Hinged multiple coat-hanger |
| 03/18/1992 | CN2099095U Easy open envelope |
| 03/18/1992 | CN2099094U Multiple usage sealed envelope |
| 03/11/1992 | CN2098474U Envelope with advertisement |
| 03/04/1992 | CN2097806U Convenient envelope |
| 03/04/1992 | CN2097805U Envelope |
| 03/03/1992 | US5092515 Envelope |
| 03/03/1992 | US5092513 Varient envelope |
| 02/21/1992 | CA2049494A1 Return envelope mailer |
| 02/20/1992 | WO1992002900A1 Mailing article with audible message generator |
| 02/19/1992 | CN2096530U Simple envelope |
| 02/19/1992 | CN2096529U Envelope |
| 02/19/1992 | CN2096528U Two-use ehvelope without tongue |