Envelope assembly
US4435001A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 1982 |
| Grant date | Mar 6, 1984 |
| Priority date | — |
| Expiry date | Mar 12, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D5/026
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An envelope assembly is provided which includes an outside envelope housing and an insert assembly which may include a return envelope and/or an information ply or plies. The outside envelope is sealed by a line of interconnection around its periphery. The return envelope is sealed on three peripheral sides and has an open edge for use when removed from the outside envelope. The return envelope can be filled and closed. The information ply is attached to the return envelope and remains attached when the outside envelope is opened and the contents removed. The return envelope and the attached information ply is fixed at its inner and outer edges while housed in the closed outside envelope. In this manner, registration is maintained between the outside envelope, the return envelope and the information ply during formation and while indicia is placed thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.