Helmet retention system
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Description
The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.
Claims
The ornamental design for a helmet retention system, as shown and described.
Referenced Cited
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Patent History
Patent number: D875322
Type: Grant
Filed: May 28, 2019
Date of Patent: Feb 11, 2020
Assignee: GENTEX CORPORATION (Simpson, PA)
Inventors: John A. Hovan (Forest City, PA), Joseph Slivinski (Peckville, PA), Jillian Haldaman (Bath, PA)
Primary Examiner: Randall H Gholson
Application Number: 29/692,685
Type: Grant
Filed: May 28, 2019
Date of Patent: Feb 11, 2020
Assignee: GENTEX CORPORATION (Simpson, PA)
Inventors: John A. Hovan (Forest City, PA), Joseph Slivinski (Peckville, PA), Jillian Haldaman (Bath, PA)
Primary Examiner: Randall H Gholson
Application Number: 29/692,685
Classifications
Current U.S. Class:
Element Or Attachment (D29/122)