Patent · US Expired

Filter assembly

USD247252S · kind S · design

19Cited by
5References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 12, 1976
Grant dateFeb 14, 1978
Priority date
Expiry dateFeb 14, 1992

Classification

  • Technology area (CPC —)General

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