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Patent
D716505
Priority
Dec 16 2013
Filed
Dec 16 2013
Issued
Oct 28 2014
Expiry
Oct 28 2028
Assg.orig
Entity
unknown
18
20
n/a
The ornamental design for an air supply attachment for a head belt of a welding helmet , as shown and described.
FIG. 1 is a top, front, right side perspective view of an air supply attachment for a head belt of a welding helmet showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right side elevational view thereof.
The broken lines shown in the drawings represent portions of the air supply attachment for a head belt of a welding helmet that form no part of the claimed design.
Wu, Ziqian
Patent
Priority
Assignee
Title
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Jul 01 2011
Fisher & Paykel Healthcare Limited
Nasal mask interface assembly
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Fisher & Paykel Healthcare Limited
Nasal mask interface assembly
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Lincoln Global, Inc
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TECMEN ELECTRONICS CO , LTD
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Fisher & Paykel Healthcare Limited
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Fisher & Paykel Healthcare Limited
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TECMEN ELECTRONICS CO , LTD
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Fisher & Paykel Healthcare Limited
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TECMEN ELECTRONICS CO , LTD
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RPB SAFETY, LLC
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Patent
Priority
Assignee
Title
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Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a