Helmet locking mechanism
Description
The broken lines environment is for illustrative purpose only and forms no part of the claimed design.
Claims
The ornamental design for a helmet locking mechanism, as shown and described.
Referenced Cited
U.S. Patent Documents
3896643 | July 1975 | Kawakami |
4676080 | June 30, 1987 | Schwarz |
4774271 | September 27, 1988 | Lindner et al. |
5117662 | June 2, 1992 | Holmes |
D369088 | April 23, 1996 | Brendel |
D370401 | June 4, 1996 | Minkin |
5664444 | September 9, 1997 | Schaan |
D390771 | February 17, 1998 | Egger |
D427883 | July 11, 2000 | Ling |
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D540149 | April 10, 2007 | Tollefson |
Patent History
Patent number: D657226
Type: Grant
Filed: May 17, 2011
Date of Patent: Apr 10, 2012
Inventors: Brooks Benson (Denver, CO), Jackson Bock (Denver, CO)
Primary Examiner: Prabhakar Deshmukh
Attorney: The Reilly Intellectual Property Law Firm, P.C.
Application Number: 29/392,047
Type: Grant
Filed: May 17, 2011
Date of Patent: Apr 10, 2012
Inventors: Brooks Benson (Denver, CO), Jackson Bock (Denver, CO)
Primary Examiner: Prabhakar Deshmukh
Attorney: The Reilly Intellectual Property Law Firm, P.C.
Application Number: 29/392,047
Classifications
Current U.S. Class:
D8/333