Patent · US Expired

Process unit for copying machine

USD322279S · kind S · design

13Cited by
8References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 7, 1989
Grant dateDec 10, 1991
Priority date
Expiry dateDec 10, 2005

Classification

  • Technology area (CPC —)General

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