Patent · US Expired

Hair crimping head

USD309354S · kind S · design

8Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 1988
Grant dateJul 17, 1990
Priority date
Expiry dateJul 17, 2004

Classification

  • Technology area (CPC —)General

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