Patent · US Expired

Ruler

USD340195S · kind S · design

7Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 27, 1992
Grant dateOct 12, 1993
Priority date
Expiry dateOct 12, 2007

Classification

  • Technology area (CPC —)General

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