|
The ornamental design for a protective mine clearance helmet, as shown and described. |
FIG. 1 is a left side elevational view of a protective mine clearance helmet showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a front perspective view thereof taken from the left side and above.
Crupi, Vincent G., Kalaam, Shaik M., Stanish, Alan J. S., L'Abbe, Richard J., Graham, Christopher P.
Patent | Priority | Assignee | Title |
D416649, | Mar 10 1998 | 3M Innovative Properties Company | Face shield with protective lens |
D475812, | Aug 14 2001 | VIRTUS GROUP, LP | Bomb disposal suit |
D510644, | Sep 05 2003 | NP Aerospace Limited | Protective helmet |
D517740, | Aug 14 2001 | VIRTUS GROUP, LP | Helmet |
D519683, | Sep 27 2004 | VIRTUS GROUP, LP | Protective helmet |
D521688, | Sep 27 2004 | VIRTUS GROUP, LP | Protective helmet |
D531762, | Mar 01 2004 | VIRTUS GROUP, LP | Protective helmet |
D541991, | May 12 2006 | Safety helmet visor | |
D547007, | Feb 28 2005 | Schuberth Werk GmbH | Commando helmet |
D696466, | Mar 14 2013 | ELMER S PRODUCTS INC | Shoulder pad mounted clear helmet |
D724791, | Mar 15 2013 | Bell Sports, Inc. | Protective motorsports mask |
D790772, | Jul 22 2015 | Med-Eng, LLC | Helmet |
D801587, | Sep 30 2016 | RPX Corporation | Headwear |
D927791, | Sep 06 2019 | JIANGSU MEIXIN OPTOELECTRONICS TECHNOLOGY CO , LTD | Welding helmet |
D933307, | Feb 14 2020 | Med-Eng, LLC | Helmet |
D955058, | Jul 24 2020 | RPB SAFETY, LLC | Cap with duct |
D959757, | Oct 23 2019 | SUNDSTRÖM SAFETY AKTIEBOLAG | Helmet liner |
Patent | Priority | Assignee | Title |
5230101, | Sep 27 1991 | Gentex Corporation | Dual visor operating mechanism |
5448780, | Mar 05 1987 | Safety helmet | |
CA1178752, | |||
207900, | |||
214547, | |||
215137, | |||
215684, | |||
D253197, | Jul 07 1977 | Kemira Oy. | Helmet |
D256626, | May 12 1978 | Helmet for racketball | |
D283940, | Jul 22 1983 | Mine Safety Appliances Company | Fireman's helmet |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 13 1996 | CRUPI, VINCENT G | MED-ENG SYSTEMS INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008834 | /0608 | |
Nov 13 1996 | STANISH, ALAN J S | MED-ENG SYSTEMS INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008834 | /0608 | |
Nov 13 1996 | GRAHAM, CHRISTOPHER P | MED-ENG SYSTEMS INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008834 | /0608 | |
Nov 13 1996 | KALAAM, SHAIK M | MED-ENG SYSTEMS INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008834 | /0608 | |
Nov 13 1996 | L ABBE, RICHARD J | MED-ENG SYSTEMS INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008834 | /0608 | |
Nov 18 1996 | Med-Eng Systems Inc. | (assignment on the face of the patent) | / | |||
Sep 17 2007 | MED-ENG SYSTEMS INC | ABLECO FINANCE LLC, AS COLLATERAL AGENT | GRANT OF SECURITY INTEREST | 019864 | /0665 | |
May 07 2008 | ABLECO FINANCE LLC | MED-ENG SYSTEMS INC | RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS | 020951 | /0011 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |