Apparatus and method for making an ear warmer and an ear warmer frame
US7614091B2 · kind B2 · utility
13Cited by
176References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2007 |
| Grant date | Nov 10, 2009 |
| Priority date | — |
| Expiry date | Jan 3, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S2/11
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ear warmer comprises a set of membranes and a frame. The set of membranes collectively defines an outer perimeter. The set of membranes is attached along the outer perimeter to define an attachment portion. The attachment portion is entirely disposed within an interior of the set of membranes. The frame is disposed within the interior of the set of membranes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.