Means for displaying the address on letters and parcels with a view to their dispatch
US3950580A · kind A · utility
77Cited by
3References
7Claims
0Family size
Inventor
Key dates
| Filing date | Mar 24, 1975 |
| Grant date | Apr 13, 1976 |
| Priority date | — |
| Expiry date | Mar 24, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24868
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Transparent sheet having peripheral adhesive area designed to form enclosure enabling viewing of material upon adhesive engagement of the sheet with a substrate wherein a specifically defined section of the peripheral adhesive area is serially renewable enabling repeated engagement and disengagement of the defined adhesive section and substrate and access to the pocket formed and material contained therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.