Patent · US Expired

Hearing aid

USD354568S · kind S · design

80Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 9, 1994
Grant dateJan 17, 1995
Priority date
Expiry dateJan 17, 2009

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.