Telephone terminal bases
US5130629A · kind A · utility
4Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 21, 1990 |
| Grant date | Jul 14, 1992 |
| Priority date | — |
| Expiry date | Jun 21, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/18
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephone terminal base having a front plate holding dialing buttons in a set and a barrier layer behind the plate to protect a printed circuit board from environmental conditions. Ribs are provided on the front plate at each side of the set of buttons to seal against the barrier layer and screws disposed outwardly of the ribs from the set of buttons compress the barrier layer against the ribs to provide a sealing action.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.