Stethoscope
US4011925A · kind A · utility
9Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1976 |
| Grant date | Mar 15, 1977 |
| Priority date | — |
| Expiry date | Jan 23, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B7/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to stethoscopes of the type commonly employed by air line passengers for use with entertaining sound apparatus and is concerned primarily with a stethoscope which may be adjusted for comfort when applied to and suspended from the ear canals of an air line passenger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.