Vandal guard sheet
US4090464A · kind A · utility
83Cited by
7References
1Claims
0Family size
Inventors
Key dates
| Filing date | Jun 25, 1975 |
| Grant date | May 23, 1978 |
| Priority date | — |
| Expiry date | Jun 25, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/162
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sheet of clear plastic or vinyl type material having a clear adhesive covering the entire one side thereof so to adhere to a front of a roadway sign and prevent it from becoming defaced by vandals having spray cans of paint; the sheet being readily peeled off and replaced by a fresh sheet after being excessively defaced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.