USD288476SExpiredUtility

Gas filter

Assignee: LUWA AGPriority: Mar 23, 1984Filed: Sep 17, 1984Granted: Feb 24, 1987

Est. expiryMar 23, 2004(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for gas filter, as shown and described.

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