Paperboard corner protective device
US4194630A · kind A · utility
7Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 26, 1978 |
| Grant date | Mar 25, 1980 |
| Priority date | — |
| Expiry date | Dec 26, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/80
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A one-piece flat paperboard blank is erected to form a device to protect the corners of packaged articles, the device being re-usable and fastened by a releasable locking tab. The blank comprises a series of four triangular panels and four rectangular panels, with a rectangular panel positioned between each pair of triangular panels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.