Earmuff having anatomically correct ear cups
US7171698B2 · kind B2 · utility
29Cited by
25References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 2003 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Nov 18, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F11/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An earmuff having anatomically correct ear cups, which are axially rotatable to ensure a proper fit over a person's ears and laterally rotatable when the earmuff is disposed in a storage position around the person's neck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.