Optical device
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Description
The broken dash lines shown in the figures represent portions of the suction optical device that form no part of the claimed design. The broken dash dot line represents boundaries to the claimed design and forms no part of the claimed design.
Claims
The ornamental design for an optical device, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D901010
Type: Grant
Filed: Aug 17, 2018
Date of Patent: Nov 3, 2020
Assignee: WELCH ALLYN, INC. (Skaneateles, NY)
Inventor: Brian Perrault (Skaneateles Falls, NY)
Primary Examiner: Wan Laymon
Assistant Examiner: Mark Booker
Application Number: 29/660,167
Type: Grant
Filed: Aug 17, 2018
Date of Patent: Nov 3, 2020
Assignee: WELCH ALLYN, INC. (Skaneateles, NY)
Inventor: Brian Perrault (Skaneateles Falls, NY)
Primary Examiner: Wan Laymon
Assistant Examiner: Mark Booker
Application Number: 29/660,167
Classifications
Current U.S. Class:
Viewing (e.g., Otoscope, Ophthalmoscope, Etc.) (D24/137)