Tamper-proof tag
US4940268A · kind A · utility
12Cited by
4References
6Claims
0Family size
Inventors
Key dates
| Filing date | Nov 13, 1989 |
| Grant date | Jul 10, 1990 |
| Priority date | — |
| Expiry date | Nov 13, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/496
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A tamper-proof tag which is made of a unitary body, formed of molded plastic material, and comprises a fastener connected to a flexible strap, the latter being foldable into a ring and engageable into a catch defined at one end of the strap. The fastener is so configured that, once received in the catch, it may be forcingly engaged into one of a series of holes in the strap. Once engaged, the fastener can no longer be removed without damaging the tag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.