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Patent
D253700
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Priority
Nov 14 1977
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Filed
Nov 14 1977
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Issued
Dec 18 1979
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Expiry
Dec 18 1993
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Assg.orig
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Entity
unknown
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11
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5
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n/a
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The ornamental design for a midrange frequency loudspeaker, as shown.
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FIG. 1 is a top plan view of the midrange frequency loudspeaker
incorporating my new design;
FIG. 2 is a side elevational view of the loudspeaker of FIG. 1;
FIG. 3 is a front elevational view of the loudspeaker of FIG. 1; and
FIG. 4 is a rear elevational view of the loudspeaker of FIG. 1.
Gillum, Gary C.
| Patent |
Priority |
Assignee |
Title |
| D264841, |
Dec 13 1979 |
Speakerlab, Inc. |
Speaker horn |
| D438523, |
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| D471888, |
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| D500306, |
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| D532772, |
Dec 23 2004 |
BANG & OLUFSEN A S |
Loudspeaker |
| D566109, |
Apr 28 2007 |
|
Microphone |
| D569844, |
Feb 06 2007 |
Martin Audio Limited |
Loudspeaker |
| D586330, |
Feb 05 2008 |
|
Loudspeaker cabinet |
| D598427, |
Aug 07 2008 |
|
Loudspeaker cabinet |
| D772198, |
Jun 12 2015 |
CHIWAN ART INC.; CHIWAN ART INC |
Speaker |
| D814441, |
May 16 2016 |
|
Loudspeaker horn |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a