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Patent
D943551
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Priority
May 23 2019
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Filed
Oct 30 2019
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Issued
Feb 15 2022
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Expiry
Feb 15 2037
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Assg.orig
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Entity
unknown
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6
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50
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n/a
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The ornamental design for a diaphragm for loudspeaker, as shown and described.
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FIG. 1 is a top perspective view of a diaphragm for loudspeaker, showing my new design;
FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image thereof;
FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
Chen, Zhiwen
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a