Helmet respirator
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Description
The broken lines in the drawings depict portions of the helmet respirator that form no part of the claimed design.
Claims
The ornamental design for a helmet respirator, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D900305
Type: Grant
Filed: Sep 1, 2018
Date of Patent: Oct 27, 2020
Assignee: RPB SAFETY, LLC (Royal Oak, MI)
Inventors: Samuel Kelly (Halswell), Ryan Whitwood (Royal Oak, MI)
Primary Examiner: Lilyana Bekic
Application Number: 29/662,111
Type: Grant
Filed: Sep 1, 2018
Date of Patent: Oct 27, 2020
Assignee: RPB SAFETY, LLC (Royal Oak, MI)
Inventors: Samuel Kelly (Halswell), Ryan Whitwood (Royal Oak, MI)
Primary Examiner: Lilyana Bekic
Application Number: 29/662,111
Classifications