Ear held earmuff
US4791684A · kind A · utility
49Cited by
5References
5Claims
0Family size
Inventor
Key dates
| Filing date | Nov 5, 1987 |
| Grant date | Dec 20, 1988 |
| Priority date | — |
| Expiry date | Nov 5, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F11/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ear held earmuff is provided and consists of an inner securement member placed over helix of outer ear of a person and an outer muff member sized to cover the outer ear of the person which is removably attached to the inner securement member to protect the outer ear of the person against the cold weather.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.