Protective helmet
Description
1. Protective helmet
The broken lines shown in the drawings represent portions of the protective helmet that form no parts of the claimed design.
Claims
The ornamental design for a protective helmet, as shown and described.
Referenced Cited
U.S. Patent Documents
| D426032 | May 30, 2000 | Ho |
| D433776 | November 14, 2000 | Scanlon |
| D547499 | July 24, 2007 | Chen |
| D549394 | August 21, 2007 | Broeckl |
| D565249 | March 25, 2008 | Fang |
| D762012 | July 19, 2016 | Alataas |
| D775767 | January 3, 2017 | Muller |
| D801586 | October 31, 2017 | Marting |
| D815359 | April 10, 2018 | Hauserman |
| D817553 | May 8, 2018 | Aaskov |
| D830639 | October 9, 2018 | Szela |
| D831277 | October 16, 2018 | Szela |
Patent History
Patent number: D853039
Type: Grant
Filed: Jun 23, 2017
Date of Patent: Jul 2, 2019
Inventor: Soon Bok Lee (Siheung-si)
Primary Examiner: Khawaja Anwar
Application Number: 35/504,211
Type: Grant
Filed: Jun 23, 2017
Date of Patent: Jul 2, 2019
Inventor: Soon Bok Lee (Siheung-si)
Primary Examiner: Khawaja Anwar
Application Number: 35/504,211
Classifications
Current U.S. Class:
Cranial (D29/102)
