Muzzle brake
United States Patent D787621

Larson Jr., Lester C. (Colona, IL, US)
Application Number:
Publication Date:
Filing Date:
Rock River Arms, Inc. (Colona, IL, US)
Primary Class:
International Classes:
(IPC1-7): 2201
Field of Search:
D22/103, D22/108, D21/572-575
View Patent Images:
US Patent References:
20170023326Tunable Muzzle Compensator for a FirearmJanuary, 2017Wilson
D773594Muzzle brakeDecember, 2016Larson, Jr.D22/108
D768064TireOctober, 2016KuwanoD12/605
D768067Automobile tireOctober, 2016KuwanoD12/605
D768564TireOctober, 2016KuwanoD12/605
D769181TireOctober, 2016SatoD12/605
D767074Muzzle brakeSeptember, 2016SuiD22/108
D767076Muzzle brakeSeptember, 2016BebeeD22/108
D754596Sidewall portion of an automobile tireApril, 2016TokizakiD12/605
D750554Sidewall portion of an automobile tireMarch, 2016IwabuchiD12/605
D746937Muzzle brakeJanuary, 2016Larson, Jr.D22/108
D747429Muzzle brakeJanuary, 2016Larson, Jr.D22/108
D740747Automobile tireOctober, 2015SatoD12/605
D733828Muzzle brakeJuly, 2015Larson, Jr.
D729894Muzzle brake for an assault rifleMay, 2015DeLuca
D711491Rifle brakeAugust, 2014Nierenberg
D694355Muzzle brakeNovember, 2013Hormann
D692086Rifle brakeOctober, 2013Nierenberg
20130199071Dummy Suppressor Providing for Additional AccessoriesAugust, 2013Lee42/76.01
D666687Rifle brakeSeptember, 2012Nierenberg
D662466Tire for automobileJune, 2012TakanoD12/605
20110271575MUZZLE DEVICE AND METHOD OF TUNING THEREOFNovember, 2011Overbeek Bloem et al.
7409975Apparatus for enhancing light reflective properties of tire sidewallsAugust, 2008Wallet152/523
D536054Muzzle brakeJanuary, 2007Price
7147026Vehicle tireDecember, 2006Matsumoto152/523
D534235Muzzle brakeDecember, 2006Price
D532072Muzzle brakeNovember, 2006Price
D515169Lateral projection muzzle brakeFebruary, 2006Bounds
D509179Tire and wheel rim assembly for automobileSeptember, 2005IbarakiD12/501
6752062Muzzle brakeJune, 2004Vais
D384389Adjustable muzzle brakeSeptember, 1997Cyktich
D358861Firearm muzzle brakeMay, 1995Gangl, Jr.
5303758Tire sidewall design patternsApril, 1994Clementz152/523
4945812Muzzle brake and method of making the sameAugust, 1990Mazzanti89/14.3
D281895Muzzle brakeDecember, 1985McLain
D268861Firearm muzzle brake or similar articleMay, 1983Gwinn, Jr.

Other References:
“Muzzle Devices”, http://www.rockriverarms.com/index.cfm?fuseaction=category.display&category—id=276, published late unknown, but prior to the filing date of the present application, Rock River Arms, Inc., United States.
“MuzzleDevices”, https://web.archive.org/web/20131013064655/http://www.rockriverarms.com/index.cfm? fuseaction=category.display&category—id=276 , published date unknown, but prior to the file of U.S. Appl. No. 29/479,081, Rock River Arms, Inc., United States.
“Levang Linear Compensator—Ultimate AR15 Muzzle Brake”, , published date unknown, but prior to the filing date of the present application, Rock River Arms, Inc., United States.
“Model M&P15-22 Rifle”, , published date unknown, but prior to the filing date of the present application, Rock River Arms, Inc., United States.
Primary Examiner:
Pratt, Michael A.
Attorney, Agent or Firm:
Banner & Witcoff, Ltd.

1. The ornamental design for a muzzle brake, as shown and described.


FIG. 1 is a top, front, left perspective view of a muzzle brake showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a top view thereof.

The uneven-length broken lines represent unclaimed boundaries of the claimed design. The even-length broken lines showing the remainder of the muzzle brake are for environmental purposes only and form no part of the claimed design.