Patent
   D521489
Priority
Sep 28 2004
Filed
Sep 28 2004
Issued
May 23 2006
Expiry
May 23 2020
Assg.orig
Entity
unknown
2
17
n/a
The ornamental design for an intercom base unit, as shown and described.

FIG. 1 is a perspective view of the intercom base unit of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design.

Farnsworth, Daniel A., Royse, Barry E.

Patent Priority Assignee Title
D651192, May 22 2009 Robert Bosch GmbH Audio conferencing device
D864171, Jun 05 2018 MARSHALL ELECTRONICS, INC 360 degree conference microphone
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D341593, Jan 02 1991 CES Corporation Paging amplifier console
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D349285, Jun 10 1992 U.S. Philips Corporation Chairman unit for conference system
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 28 2004Audio Authority Corporation(assignment on the face of the patent)
Oct 19 2004FARNSWORTH, DANIEL A Audio Authority CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0154030232 pdf
Oct 19 2004ROYSE, BARRY E Audio Authority CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0154030232 pdf
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