Patent · US Expired

Plug-in memory module cartridge for electronic translator, calculator and information retrieval device

USD257345S · kind S · design

38Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 17, 1978
Grant dateOct 14, 1980
Priority date
Expiry dateOct 14, 1994

Classification

  • Technology area (CPC —)General

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