Expiratory tube
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Description
Broken lines are used to illustrate portions of the expiratory tube that form no part of the claimed design.
Claims
The ornamental design for an expiratory tube, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D973862
Type: Grant
Filed: Oct 29, 2018
Date of Patent: Dec 27, 2022
Assignee: Fisher & Paykel Healthcare Limited (Auckland)
Inventors: David-Reyner Cailun How (Auckland), Karla Maree Dey (Auckland), Manuel Dindas (Auckland), Paul Joseph Moody (Auckland), Telge Nishan Chaturanga Peiris (Auckland)
Primary Examiner: Samantha Wood
Assistant Examiner: Aula Soroush
Application Number: 29/668,273
Type: Grant
Filed: Oct 29, 2018
Date of Patent: Dec 27, 2022
Assignee: Fisher & Paykel Healthcare Limited (Auckland)
Inventors: David-Reyner Cailun How (Auckland), Karla Maree Dey (Auckland), Manuel Dindas (Auckland), Paul Joseph Moody (Auckland), Telge Nishan Chaturanga Peiris (Auckland)
Primary Examiner: Samantha Wood
Assistant Examiner: Aula Soroush
Application Number: 29/668,273
Classifications
Current U.S. Class:
Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)