Patent · US Expired

Air ameliorant or similar article

USD318912S · kind S · design

15Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1989
Grant dateAug 6, 1991
Priority date
Expiry dateAug 6, 2005

Classification

  • Technology area (CPC —)General

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