Ambient filter
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Description
Claims
The ornamental design for an ambient filter, as shown.
Referenced Cited
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Patent History
Patent number: D867346
Type: Grant
Filed: Jun 20, 2018
Date of Patent: Nov 19, 2019
Assignee: DYNAMIC EAR COMPANY B.V. (Delft)
Inventor: Angelique M. C. Hofstede (Delft)
Primary Examiner: Paula Allen Greene
Application Number: 29/653,958
Type: Grant
Filed: Jun 20, 2018
Date of Patent: Nov 19, 2019
Assignee: DYNAMIC EAR COMPANY B.V. (Delft)
Inventor: Angelique M. C. Hofstede (Delft)
Primary Examiner: Paula Allen Greene
Application Number: 29/653,958
Classifications