Patent · US Expired

Combined paper folder and envelope opener or similar article

USD306249S · kind S · design

6Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 24, 1987
Grant dateFeb 27, 1990
Priority date
Expiry dateFeb 27, 2004

Classification

  • Technology area (CPC —)General

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