Private branch exchange
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A private branch exchange, or PBX, is a telephone switch for offices, for example.
The broken lines immediately adjacent the shaded areas, which define the unshaded regions, represent the bounds of the claimed design. All other broken lines are directed to environment and are for illustrative purposes only. The broken lines and unshaded regions within the broken lines form no part of the claimed design.
Claims
I claim the ornamental design for a private branch exchange, as shown and described.
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- KX-TDE200 Converged IP-PBX Systems, <URL:http://www2.panasonic.com/consumer-electronics/support/Phones-Fax/Business-Home-Systems/Converged-IP-PBX-Systems/model.KX-TDE200>, retrieved from internet Sep. 13, 2009.
Type: Grant
Filed: Feb 14, 2007
Date of Patent: Dec 1, 2009
Assignee: Panasonic Corporation (Osaka)
Inventor: Masataka Hidaka (Kadoma)
Primary Examiner: Ian Simmons
Assistant Examiner: Carla Jobe Wright
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/272,774