Pole sign construction
US5212898A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 5, 1991 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Jul 5, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S411/908
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pole sign construction comprising a vertical pole support; PA1 pairs of upper and lower brackets secured to the pole and having outwardly projecting aligned bolts; a pair of rectangular base sign boards of corrugated plastic material having a series of connecting holes formed in their lateral edges; a plurality of first clear plastic locking washers and clear plastic bolts connecting the corrugated sign boards in back-to-back relation around the vertical pole; spaced pairs of mounting holes formed in the upper and lower edges of each of the corrugated sign boards; locking washers securing the boards to the brackets on the projecting bolts, the bolts passing through the upper and lower mounting holes; PA1 overlay sign boards congruent with the base sign boards and secured to the plastic bolts with second clear plastic locking washers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.