Patent · US Expired

Interrupter switch with circuit-parameter sensing features

USD320977S · kind S · design

6Cited by
4References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 1989
Grant dateOct 22, 1991
Priority date
Expiry dateOct 22, 2005

Classification

  • Technology area (CPC —)General

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