PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D853050
|
Priority
Sep 22 2017
|
Filed
Apr 03 2018
|
Issued
Jul 02 2019
|
Expiry
Jul 02 2034
|
|
Assg.orig
|
|
Entity
unknown
|
0
|
32
|
n/a
|
|
|
The ornamental design for a ratchet knob ring for a headband, as shown and described.
|
FIG. 1 is a perspective view showing the new design for a ratchet knob ring for a headband;
FIG. 2 is another perspective view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
Juhlin, Oskar E., Berggren, Martin A. J. M.
Patent |
Priority |
Assignee |
Title |
Patent |
Priority |
Assignee |
Title |
2205742, |
|
|
|
7000262, |
Jul 26 2004 |
E.D. Bullard Company |
Flexible ratchet mechanism for the headband of protective headgear |
7043772, |
Aug 31 2004 |
E. D. Bullard Company |
Ratchet mechanism with unitary knob and pinion construction |
7174575, |
Jul 26 2004 |
E.D. Bullard Company |
Ratchet mechanism for the headband of protective headgear used in high temperature environments |
8359672, |
Oct 21 2008 |
SUREWERX USA INC |
Headband with pivotal pad |
8370967, |
Oct 21 2009 |
Minson Enterprises Co., Ltd. |
Adjustable head band for a helmet |
8387162, |
Dec 13 2010 |
Otos Wing Co., Ltd. |
Hinge coupling structure for welding mask, face shield and safety helmet |
8661570, |
Nov 04 2011 |
Otos Wing Co., Ltd. |
Air cushion for attaching headband of welding mask |
8875318, |
Dec 13 2010 |
Otos Wing Co., Ltd. |
Head band |
9161588, |
Oct 21 2013 |
Minson Enterprises Co., Ltd. |
Adjustable headband device for a helmet |
9572392, |
Aug 30 2013 |
MSA Technology, LLC; Mine Safety Appliances Company, LLC |
Adjustment mechanism for a headband arrangement of a safety helmet |
9642412, |
Aug 30 2013 |
MSA Technology, LLC |
Adjustment mechanism for a headband arrangement of a safety helmet |
20130111648, |
|
|
|
20150074877, |
|
|
|
20160262484, |
|
|
|
20170150770, |
|
|
|
20170150771, |
|
|
|
CN201418402, |
|
|
|
CN201591162, |
|
|
|
D398403, |
Mar 04 1996 |
Luxtec Corporation |
Headband for surgeons with removable headboard hanger |
D406371, |
Jun 12 1998 |
Applied Fiberoptics, Inc. |
Surgical headlight |
D441111, |
Mar 13 2000 |
|
Surgical headband |
D441886, |
Jul 26 1999 |
KARL STORZ GMBH & CO KG |
Headband for medical or surgical use |
D501956, |
Dec 13 2000 |
PLIM COOPERATION LTD |
Helmet ring |
D503499, |
Sep 10 2003 |
HONEYWELL SAFETY PRODUCTS USA, INC |
Protective face shield support |
D511226, |
Sep 10 2003 |
HONEYWELL SAFETY PRODUCTS USA, INC |
Protective face shield support |
D581104, |
May 24 2007 |
|
Hatband |
D667591, |
Mar 10 2010 |
3M Innovative Properties Company |
Side portion of a welding helmet |
D767829, |
Feb 04 2015 |
TECMEN ELECTRONICS CO , LTD |
Belt for welding helmet |
KR101605186, |
|
|
|
KR101674630, |
|
|
|
WO2017108118, |
|
|
|
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a