Referencing device
US5056825A · kind A · utility
37Cited by
6References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 9, 1990 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Apr 9, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D5/003
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A referencing device has a corner constructed of two generally rectangular plies and closed along two adjacent sides to receive a larger generally rectangular sheet and with provision on the outer plies for informational indicia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.