PTO Wrapper PDF
Dossier Espace Google
Patent
   D889583
Priority
Dec 07 2018
Filed
Dec 07 2018
Issued
Jul 07 2020
Expiry
Jul 07 2035
Inventors
Foltz, Adam
Assg.orig
U S GOVER…
Assg.curr
The United…
Entity
unknown
Referenced by
12
References
13
Maint.:
n/a
The ornamental design for a m4a1 helically fluted gun barrel, as shown and described.

FIG. 1 is a muzzle end isometric view of the M4A1 helically fluted gun barrel.

FIG. 2 is a plan view of the M4A1 helically fluted gun barrel (top and front are identical to this plan view, whereas bottom and back are a mirror image of this plan view); and,

FIG. 3 is a right side elevation view (muzzle end) of the M4A1 helically fluted gun barrel.

Views are orthogonal projections unless otherwise noted. The various views are not necessarily to scale in order to better illustrate the design.
INVENTORS:

Foltz, Adam, Grego, Thomas C.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D921817, Oct 24 2017 MURPHY, LARRY, MURP; PROOF RESEARCH, INC Surface pattern of a firearm barrel
D921818, Oct 24 2017 MURPHY, LARRY, MURP; PROOF RESEARCH, INC Surface pattern of a firearm barrel
D921819, Oct 24 2017 MURPHY, LARRY, MURP; PROOF RESEARCH, INC Surface pattern of a firearm barrel
D921820, Oct 24 2017 MURPHY, LARRY, MURP; PROOF RESEARCH, INC Surface pattern of a firearm barrel
D921821, Oct 24 2017 PROOF RESEARCH; PROOF RESEARCH, INC Surface pattern of a firearm barrel
D921822, Oct 24 2017 PROOF RESEARCH; PROOF RESEARCH, INC Surface pattern of a firearm barrel
D921823, Oct 24 2017 PROOF RESEARCH; PROOF RESEARCH, INC Surface pattern of a firearm barrel
D921824, Oct 24 2017 PROOF RESEARCH; PROOF RESEARCH, INC Surface pattern of a firearm barrel
D921825, Oct 24 2017 PROOF RESEARCH; PROOF RESEARCH, INC Surface pattern of a firearm barrel
D921826, Oct 24 2017 PROOF RESEARCH; PROOF RESEARCH, INC Surface pattern of a firearm barrel
D921827, Oct 24 2017 PROOF RESEARCH; PROOF RESEARCH, INC Surface pattern of a firearm barrel
ER7520,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
10001337, Jan 14 2016 PROOF RESEARCH, INC Composite multi-lobe projectile barrel
10401110, Jul 21 2017 Teludyne Tech Industries, Inc. System for improved weapon system barrel
8307575, Sep 21 2010 Precision rifle chassis system
20170038172,
D559923, Feb 13 2006 KORE OUTDOOR US , INC Multiple slot expanded diameter paintball marker barrel
D593631, May 12 2006 Gamo Outdoor, SL Barrel for sporting rifles and firearms
D666269, Apr 23 2010 MICOR DEFENSE, INC Firearm barrel with integrated flash hider
D693422, Oct 18 2011 GAMO OUTDOOR S L Rifle barrel
D697995, Jul 10 2012 Gun barrel
D748218, Jul 21 2014 Gun barrel
D829843, Mar 20 2017 Barrel with fluting pattern
D829845, Mar 20 2017 Fluted barrel
D842415, Mar 20 2017 Fluted barrel
ASSIGNMENT RECORDS    Assignment records on the USPTO
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 06 2018GREGO, THOMAS C U S GOVERNMENT AS REPRESENTED BY THE SECRETARY OF THE ARMYASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0477020844 pdf
Dec 06 2018FOLTZ, ADAMU S GOVERNMENT AS REPRESENTED BY THE SECRETARY OF THE ARMYASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0477020844 pdf
Dec 07 2018The United States of America as represented by the Secretary of the Army(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule