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The ornamental design for an ear muff attachment for safety hat, as shown and described. |
FIG. 1 is a rear perspective view of an ear muff attachment for safety hat showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a front elevational view thereof.
Patent | Priority | Assignee | Title |
D518024, | Apr 15 2005 | Creative Technology Ltd. | Headphone and loudspeaker |
D585879, | Jan 30 2008 | Earphone headband | |
D776081, | Jul 31 2015 | Headphone cover | |
D776082, | Aug 18 2015 | Headphone cover with arm guard | |
D881475, | Jul 26 2018 | HANGZHOU ZHONGHAN ELECTRONIC TECHNOLOGY CO , LTD | Silicone earmuff |
D939779, | Feb 20 2019 | Honeywell International Inc | Hearing protection device |
D942089, | Feb 20 2019 | Honeywell International Inc | Hearing protection device |
D960459, | Feb 20 2019 | Honeywell International Inc. | Hearing protection device |
D987599, | Apr 06 2021 | AMZALEG S LLC | Ear phone cover |
ER7567, | |||
ER8946, |
Patent | Priority | Assignee | Title |
3454964, | |||
3681540, | |||
3845505, | |||
4065645, | Oct 26 1976 | Audiotronics Corporation | Headset |
4347631, | Jul 18 1980 | SIEBE NORTH, INC | Ear muff accessory for safety hard hat |
D254100, | Mar 01 1977 | SANTRADE LTD , A CORP OF SWITZERLAND | Protective helmet with ear muffs and face protection |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 27 1981 | HIGGINSON, JOHN B | PROTECTOR SAFETY INDUSTRIES LIMITED, A CORP OF NEW SOUTH WALES, AUSTRALIA | ASSIGNMENT OF ASSIGNORS INTEREST | 003958 | /0582 | |
Nov 16 1981 | Protector Safety Industries Limited | (assignment on the face of the patent) | / |
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