Patent · US Expired

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USD307174S · kind S · design

21Cited by

9References

1Claims

0Family size

Assignee

Oy Uponor AB · FI

Inventors

Gunnar Björkman · Fristad, SE
Jyri Jarvenkyla · Viinijärvi, FI

Key dates

Filing date	Mar 13, 1986
Grant date	Apr 10, 1990
Priority date	—
Expiry date	Apr 10, 2004

Classification

Technology area (CPC —)General

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