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)
05/1982
05/25/1982CA1124218A1 Envelope
05/25/1982CA1124217A1 Envelope assembly
04/1982
04/13/1982CA1121768A1 Carrier sheet business form assembly
03/1982
03/16/1982CA1120012A1 Locking envelope
03/16/1982CA1119903A1 Folded paper edge opening process
03/02/1982US4317538 Envelope
02/1982
02/09/1982CA1117905A2 Flexible, collapsible container having a stiffener member therein
02/02/1982US4313558 Multiple pocket, expandable envelope, and blank and method for forming same
02/02/1982US4313557 Envelope insert for magazines
01/1982
01/21/1982WO1982000129A1 Blank belt
01/12/1982US4310117 Envelope
01/12/1982CA1116137A1 Shipping form unit
01/05/1982US4308988 Envelope
01/05/1982US4308987 Remailable envelope
12/1981
12/29/1981CA1115243A1 Envelope assembly
12/15/1981US4305506 Inner return envelope nested in outer envelope
11/1981
11/03/1981US4298158 Packaging element for packaging sheet material
10/1981
10/13/1981US4294400 Non-gusseted expansible envelope
09/1981
09/30/1981EP0036509A1 A method of opening envelopes
09/22/1981US4290547 Reclosable envelope and method of manufacture
09/15/1981CA1109031A2 Stationery having snap-open envelope with remailable portion
09/08/1981US4288028 Remailable envelope
08/1981
08/18/1981US4284230 Mailing assembly incorporating plural offer send and return mailing pieces
08/11/1981US4283003 Reclosable envelope
07/1981
07/07/1981CA1104529A1 Continuous mailer
06/1981
06/30/1981CA1104104A1 Slide calculator and method
02/1981
02/17/1981US4250999 Tear-off flange for an article
01/1981
01/20/1981US4245775 Two-way postal card and envelope
01/13/1981US4244511 Specialty envelope serving as a picture frame
01/07/1981EP0021380A1 Package of adhesive foil for ceramic tiles and method of filling the package
01/07/1981EP0020484A1 Folded paper edge opening process
12/1980
12/23/1980US4240577 Locking envelope
12/10/1980EP0020313A1 Envelope and a method for its manufacture
11/1980
11/18/1980US4234122 Reclosable envelope
10/1980
10/28/1980US4230262 Continuous strip of sealed envelopes with inner documents
09/1980
09/23/1980CA1086272A1 Stuffed sealed envelope assembly
09/16/1980US4222216 Opening of envelope with darkened edges
09/12/1980EP0006917A4 Reversible envelope.
09/09/1980US4221161 Method of forming a double pocket envelope
08/1980
08/20/1980EP0014446A1 Opening of envelope with darkened edges
08/05/1980CA1083096A1 Stubless multi-part assembly
07/1980
07/15/1980US4212396 Envelope assembly
07/15/1980CA1081665A1 Adhering method
07/01/1980US4210250 Reversible envelope
06/1980
06/17/1980US4207984 Decorative envelope packet
06/10/1980CA1079322A1 Business forms constructed from coated single sheets selectively folded
05/1980
05/27/1980US4204600 Dual pocket envelope
04/1980
04/17/1980WO1980000687A1 Folded paper edge opening process
04/02/1980EP0009265A2 A method of severing cellulosic paper at a fold therein
03/1980
03/25/1980US4194631 Machine sortable mailing envelope
03/25/1980US4194342 Degradation by organic acid
03/18/1980US4193501 Envelope assembly
03/11/1980US4192448 Self-sealing closure for mailing bags
03/11/1980US4192447 Multi-compartment envelope
02/1980
02/26/1980US4190162 Stationery having snap-open envelope with remailable portion
02/26/1980US4190161 Compartmented envelope
02/06/1980EP0007388A1 A continuous mailer
02/05/1980CA1071157A1 Continuous business forms envelope assembly
01/1980
01/23/1980EP0006917A1 Reversible envelope
01/22/1980US4184628 Mailing assembly
01/09/1980EP0006282A1 Improvements in or relating to envelope assemblies
12/1979
12/25/1979US4180168 Two-way envelope
12/13/1979WO1979001059A1 Grammophone record sleeve
11/1979
11/13/1979CA1066236A1 Stationery having snap-open envelope with remailable portion
10/1979
10/16/1979USRE30114 Continuous forms assembly
10/09/1979CA1063981A1 Envelope and form assembly
09/1979
09/11/1979CA1062208A1 Packaging bag of thermoplastic synthetic plastic film and a method of fabrication
09/11/1979CA1062117A2 Microfilm jacket micro film feeding device and process
09/04/1979US4166539 Envelope assembly
09/04/1979US4166538 Easy opening envelope
08/1979
08/21/1979CA1060853A1 Mailing pouch
07/1979
07/31/1979CA1059470A1 Continous envelope assembly
07/24/1979CA1059077A1 Apertured mailing card and method of using
07/17/1979CA1058579A1 Continuous business forms assembly with anti-tenting means
06/1979
06/12/1979US4157759 Continuous mailer
05/1979
05/15/1979CA1054644A1 Sealed business form assembly
05/15/1979CA1054579A1 Continuous forms assembly
05/08/1979US4153163 Envelope and form assembly
04/1979
04/24/1979CA1053193A1 Stubless multi-part assembly
04/17/1979US4149667 Dual compartment envelope
04/17/1979CA1052743A1 Envelope assembly
04/10/1979US4148430 Business form
04/05/1979WO1979000164A1 Reversible envelope
02/1979
02/20/1979US4140317 Containerized greeting card and game toy
02/13/1979CA1048452A1 Self-sealing envelope and method of making same
02/06/1979US4137958 Polypropylene bag for use in an automatic filling process
01/1979
01/09/1979CA1046024A1 Return envelope for mailer
12/1978
12/12/1978US4129214 Two compartmented envelope
09/1978
09/19/1978US4114799 Solicitation envelope carrier
09/05/1978CA1037915A1 End construction for bellows type envelopes and the like
08/1978
08/22/1978US4108351 Adhering method
08/01/1978US4103821 Shipping envelope
07/1978
07/25/1978US4102489 Business reply form
06/1978
06/20/1978US4095695 Stuffed sealed envelope assembly and method of making
06/06/1978US4093074 Envelopes
05/1978
05/30/1978US4091987 Carrier sheet business form assembly
05/16/1978US4089419 Reversible envelope
05/16/1978US4089418 Returnable mail envelope
04/1978
04/18/1978US4084741 Continuous form multiple ply envelope assembly
04/18/1978US4084696 Bind-in insert
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