Subsurface sign assembly
US4413434A · kind A · utility
Inventors
Key dates
| Filing date | May 28, 1982 |
| Grant date | Nov 8, 1983 |
| Priority date | — |
| Expiry date | May 28, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F3/203
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A transparent face plate is mounted to a back plate in parallel spaced relationship by double face adhesive strip material extending about the facing edge portions of the back plate and face plate, leaving a pocket between the back plate and face plate. The adhesive strip material does not extend across one common edge portion of the back plate and face plate so that a slot is formed between the plates and a sign plate can be slid through the slot, into and out of the pocket. A layer of opaque material is applied to the inside surface at the edge portions of the face plate to form an opaque border about the sign assembly which hides the double face adhesive strip from view through the face plate, and the opaque material extends beyond the adhesive strip material inwardly with respect to the pocket of the sign assembly so as to hide the perimeter of the sign plate from view through the face plate. Openings are formed in the opposite edge portions of the sign plate, and a sign plate removal tool is provided that comprises a substantially flat strip of material with cleats protruding from opposite sides thereof, whereby the tool can be inserted through the slot between the back plate …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.