USD342567SExpiredUtility

Gasket for corrugated pipes

58
Assignee: SONN CHSEN A SPriority: Oct 11, 1989Filed: Mar 14, 1990Granted: Dec 21, 1993
Est. expiryOct 11, 2009(expired)· nominal 20-yr term from priority
Inventors:Per Boen
58
PatentIndex Score
14
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a gasket for corrugated pipes, as shown.

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