Tripart sectional helmet with planar springs
Description
The broken lines shown in the drawings depict unclaimed environment only and form no part of the claimed design.
Claims
The ornamental design for a tripart sectional helmet with planar springs, as shown.
Referenced Cited
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Patent History
Patent number: D839489
Type: Grant
Filed: May 21, 2017
Date of Patent: Jan 29, 2019
Inventors: Keith Thorpe (Baxter, TN), Harold L Murphy (Cookeville, TN)
Primary Examiner: Randall H Gholson
Application Number: 29/604,834
Type: Grant
Filed: May 21, 2017
Date of Patent: Jan 29, 2019
Inventors: Keith Thorpe (Baxter, TN), Harold L Murphy (Cookeville, TN)
Primary Examiner: Randall H Gholson
Application Number: 29/604,834
Classifications