Patent · US Expired

Grip portion for a writing instrument

USD307444S · kind S · design

31Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 9, 1987
Grant dateApr 24, 1990
Priority date
Expiry dateApr 24, 2004

Classification

  • Technology area (CPC —)General

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