Patent
   D253819
Priority
Nov 14 1977
Filed
Nov 14 1977
Issued
Jan 01 1980
Expiry
Jan 01 1994
Assg.orig
Entity
unknown
11
5
n/a
The ornamental design for a low frequency loudspeaker, as shown.

FIG. 1 is a top plan view of the low 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
D266243, Jun 02 1980 ADVANCED WAVE FORM SCIENCES, INC , A PA CORP Loudspeaker
D271967, May 27 1981 MEYER SOUND LABORATORIES INCORPORATED, BERKELEY, CA, A CORP OF CA Loudspeaker
D353378, Sep 04 1992 Speaker box
D517525, Sep 15 2003 Martin Audio Limited Loudspeaker unit
D524797, Mar 12 2004 SOUND PHYSICS LABS, INC Loudspeaker
D586330, Feb 05 2008 Loudspeaker cabinet
D598427, Aug 07 2008 Loudspeaker cabinet
D647503, Dec 20 2010 Loudspeaker cabinet
D705192, Oct 31 2012 Hewlett-Packard Development Company, L.P. Subwoofer display support
D894148, Aug 16 2018 ADVANCED NEW TECHNOLOGIES CO , LTD Information terminal for payment
D894149, Aug 16 2018 ADVANCED NEW TECHNOLOGIES CO , LTD Information terminal for payment
Patent Priority Assignee Title
3941207, Aug 26 1974 INDIANA NATIONAL BANK, THE Loudspeaker assembly
4083426, Oct 17 1974 Loud speaker apparatus
182351,
238182,
D247237, Jan 29 1976 Acoustic Fiber Sound Systems, Inc. Loudspeaker
/
Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 14 1977Klipsch and Associates, Inc.(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule