| 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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| 04/08/1986 | US4580683 High security self-sealing mailing receptacle |
| 04/01/1986 | US4579277 Detachable tip-on envelope |
| 03/11/1986 | US4575121 Postal module for confidential information |
| 02/26/1986 | EP0172234A1 Document sending device |
| 02/25/1986 | CA1201024A1 Packing laminate in the form of a web and a method for manufacturing the same |
| 02/18/1986 | US4570416 Method of handling express envelopes |
| 01/28/1986 | US4566627 Tamper detection envelope |
| 01/21/1986 | US4565317 Two-way envelope with inside return seal flap |
| 01/21/1986 | CA1199615A1 Blank belt |
| 01/16/1986 | WO1986000276A1 Foldable letter for the dispatching thereof by post |
| 01/14/1986 | CA1199309A1 Folded mailer |
| 01/08/1986 | EP0166754A1 A device for use in envelopes |
| 12/24/1985 | US4560102 Reversible folder and round trip mailer box |
| 12/17/1985 | US4558556 Belt having a succession of packaging blanks and method for filling the blanks |
| 11/26/1985 | US4555026 Envelope |
| 11/21/1985 | EP0161871A2 Die cut window mailer with self-imaging sheet |
| 10/08/1985 | US4545521 Envelope with hanger |
| 09/24/1985 | US4543082 Method of making direct mail article with reply envelope and detachable reply devices visible within reply envelope |
| 09/11/1985 | EP0054564B1 Blank belt |
| 09/03/1985 | CA1192874A1 Continuous mailer assembly |
| 09/03/1985 | CA1192824A1 Method of applying a transparent film and product |
| 08/29/1985 | WO1985003688A1 Document sending device |
| 08/20/1985 | US4535930 Overnight letter envelope |
| 07/30/1985 | US4531667 Expandable envelope file |
| 07/18/1985 | WO1985003039A1 A device for use in envelopes |
| 07/09/1985 | CA1190262A1 Continuous form assembly of mailer sets |
| 06/25/1985 | US4524903 One-piece two-way mailer unit |
| 06/11/1985 | US4522427 Slips |
| 06/04/1985 | US4520958 Multi-compartment envelope for coupon nesting |
| 05/29/1985 | EP0142656A1 Device for tying an elongate object, for example a cable tree |
| 04/24/1985 | EP0138501A2 Cut sheet mailer |
| 04/24/1985 | EP0138413A2 Continuous business forms assemblies |
| 04/23/1985 | US4512599 Security sealing system |
| 04/23/1985 | CA1185933A1 Mailer construction |
| 04/10/1985 | EP0136682A2 Self-opening envelope |
| 04/02/1985 | US4508224 Container for photographic films and prints |
| 03/13/1985 | EP0134151A2 Continuous stationery |
| 02/13/1985 | EP0132905A2 Improvements on webs for continuous business forms assemblies |
| 02/05/1985 | US4497509 Continuous business form for automated mailing |
| 01/22/1985 | CA1181373A1 Envelope |
| 01/08/1985 | US4492308 Quick opening envelope |
| 12/19/1984 | EP0128738A2 Mailing wrapper with reply envelope and response device from integral web |
| 12/11/1984 | US4487360 Mailing and return envelope |
| 11/13/1984 | CA1177796A1 Remailable envelope |
| 09/11/1984 | US4470511 Quick opening envelope |
| 09/06/1984 | EP0076311A4 Easily opened and reclosable bag and apparatus for making same. |
| 08/07/1984 | US4464552 Packaging |
| 08/07/1984 | CA1172210A1 Mailer set having offset thumb notches |
| 07/31/1984 | US4462538 Door hanger envelope |
| 07/25/1984 | EP0113745A1 Envelopes |
| 07/24/1984 | US4461661 Non-tenting business form assemblies and method and apparatus for making the same |
| 07/17/1984 | US4460119 Door hanging envelope |
| 07/03/1984 | US4457430 Tamper resistant security package |
| 07/03/1984 | CA1170226A1 Envelope insert for magazines |
| 06/19/1984 | US4454980 Return biller envelope book |
| 06/13/1984 | EP0110842A2 Postal module for confidential information |
| 06/05/1984 | US4452399 Double pocket ticket envelope |
| 05/01/1984 | US4445635 Two way mailing envelope |
| 04/24/1984 | US4444356 Window envelope modifier |
| 04/10/1984 | CA1165285A1 Peel back mailer |
| 03/28/1984 | EP0104067A2 Direct mail article with reply envelope and detachable reply devices visible within reply envelope |
| 03/28/1984 | EP0103941A2 Continuous business form for automated mailing |
| 03/14/1984 | EP0102792A2 Mailer construction |
| 03/13/1984 | US4436202 Reusable envelope |
| 02/08/1984 | EP0099952A1 Method of making a bag, particularly for a display stand with rods, and such a bag |
| 02/07/1984 | US4429827 Document mailer and postal system |
| 02/02/1984 | WO1984000345A1 Envelopes |
| 01/04/1984 | EP0097421A2 Two-way envelope unit |
| 12/06/1983 | US4418865 Continuous mailer assembly |
| 09/27/1983 | US4406647 Method of making, inserting, and removing envelope inserts for magazines |
| 09/13/1983 | US4403696 Envelope |
| 08/30/1983 | US4401257 Multiple pocket, expandable envelope, and blank and method for forming same |
| 08/09/1983 | US4397417 Folder for coupons |
| 07/19/1983 | US4393989 Envelope-type mailing folder |
| 07/12/1983 | CA1149690A1 Opening of envelope with darkened edges |
| 05/24/1983 | US4384670 Peel back mailer |
| 05/18/1983 | EP0079017A2 A packing laminate in the form of a web and a method for manufacturing the same |
| 05/18/1983 | EP0078968A2 Closure for an envelope made of paper coated on one side with plastics material |
| 05/18/1983 | EP0078967A2 Postal envelope |
| 05/10/1983 | US4382539 Two-way envelopes with return flap positioning means and method |
| 04/13/1983 | EP0076311A1 Easily opened and reclosable bag and apparatus for making same. |
| 02/16/1983 | EP0072195A1 A continuous mailer assembly |
| 01/04/1983 | CA1138698A2 Method of making reclosable film plastic merchandise display bags |
| 10/26/1982 | US4355718 Grammophone record sleeve |
| 10/19/1982 | US4354631 Resealable envelope |
| 10/19/1982 | CA1133864A1 Package for accommodating and ejecting small amounts of flowing material |
| 10/14/1982 | WO1982003372A1 Easily opened and reclosable bag and apparatus for making same |
| 09/14/1982 | US4349107 Meter chart envelope |
| 09/14/1982 | CA1131534A1 Method and apparatus for producing a support package |
| 09/08/1982 | EP0059286A1 Envelope |
| 08/31/1982 | US4346916 Multiple ply business form and manifold assembly |
| 08/25/1982 | EP0058248A1 A peel back mailer |
| 07/07/1982 | EP0055509A1 A continuous form assembly of mailer sets |
| 06/30/1982 | EP0054564A1 Blank belt. |
| 06/23/1982 | EP0054347A1 A mailer set having offset thumb notches |
| 06/22/1982 | US4335845 Carrier sheet with envelope letter sheet device secured thereto |
| 06/15/1982 | US4334618 Stationery having snap-open envelope with remailable portion |
| 06/01/1982 | US4332346 Two-way envelope |
| 05/25/1982 | US4331290 Multiple pocket, expandable envelope, and blank and method for forming same |
| 05/25/1982 | US4331264 Package for accommodating and ejecting small amounts of flowing material |