Patent · US Expired

Ink transfer roller

USD258828S · kind S · design

18Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 31, 1979
Grant dateApr 7, 1981
Priority date
Expiry dateApr 7, 1995

Classification

  • Technology area (CPC —)General

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