Spirometer airway
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Description
The broken lines in the drawing views are included for the purpose of illustrating portions of the spirometer airway that form no part of the claimed design.
Claims
The ornamental design for a spirometer airway, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D744655
Type: Grant
Filed: Nov 24, 2013
Date of Patent: Dec 1, 2015
Assignee: Benson Medical Instruments (Minneapolis, MN)
Inventor: Stephen Benson (Minneapolis, MN)
Primary Examiner: Anhdao Doan
Application Number: 29/473,582
Type: Grant
Filed: Nov 24, 2013
Date of Patent: Dec 1, 2015
Assignee: Benson Medical Instruments (Minneapolis, MN)
Inventor: Stephen Benson (Minneapolis, MN)
Primary Examiner: Anhdao Doan
Application Number: 29/473,582
Classifications
Current U.S. Class:
Pulmonary (38) (D24/164)