Sign frame and method for factory installing flexible sign facing material thereon
US4512098A · kind A · utility
20Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1983 |
| Grant date | Apr 23, 1985 |
| Priority date | — |
| Expiry date | Nov 21, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F13/0454
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In the manufacture of large signs, flexible sign facing material is fastened in stretched condition to a frame which is collapsed for shipping and erected at the job site to eliminate slack and restore its full length. Slide locking members are utilized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.