USD320677SExpiredUtility

Gas mask

Assignee: KUMAGAI AKIRAPriority: Nov 16, 1989Filed: Nov 16, 1989Granted: Oct 8, 1991

Est. expiryNov 16, 2009(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a gas mask, as described and shown.

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