Patent · US Expired

Filter for a mobile fume extractor

USD357303S · kind S · design

5Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 26, 1992
Grant dateApr 11, 1995
Priority date
Expiry dateApr 11, 2009

Classification

  • Technology area (CPC —)General

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