Patent · US Expired

Magnetic core

USD330189S · kind S · design

20Cited by
7References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1990
Grant dateOct 13, 1992
Priority date
Expiry dateOct 13, 2006

Classification

  • Technology area (CPC —)General

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