USD417279SExpiredUtility

Acoustical horn for behind-the-ear hearing aid

Assignee: DUPONT STEPHENPriority: Mar 25, 1998Filed: Mar 25, 1998Granted: Nov 30, 1999

Est. expiryMar 25, 2018(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for an acoustical horn for a behind-the-ear hearing aid, as shown.

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