Telephone handset having apertures for key access
US4930157A · kind A · utility
13Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 1989 |
| Grant date | May 29, 1990 |
| Priority date | — |
| Expiry date | May 10, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/03
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A handset for use with a key pad wherein the body of the handset is provided with one or more apertures which are adapted to permit access to one or more keys of the key pad when the handset is brought to a position proximate to the key pad.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.