Acoustic coupler

The ornamental design for an acoustic coupler, as shown and described.

FIG. 1 is a front view of an acoustic coupler; showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view as seen from the left of FIG. 1;

FIG. 6 is a side elevational view as seen from the right of FIG. 1; and

FIG. 7 is a perspective view thereof.

Patent	Priority	Assignee	Title
5995599,	Aug 07 1998	Intel Corporation	Coupler for an acoustic coupled communications device
D270834,	Oct 05 1981	Bell Telephone Laboratories, Incorporated	Acoustic coupler adapter
D272345,	Aug 03 1981	Novation, Inc.	Acoustic coupler
D279184,	Apr 07 1982	Sharp Corporation	Telephone acoustic coupler base
D281878,	Oct 19 1981	Kabushiki Kaisha Epson Corporation; Suwa Seikosha	Acoustically coupled modem
D299457,	Oct 31 1984	Coscom Datentechnik GmbH & Co. Computer KG	Acoustic coupler for transmitting data by way of a telephone
D340722,	Feb 13 1992	Plantronics, Inc.	Universal acoustic telephone handset interface
D341594,	Jan 14 1992	Canon Kabushiki Kaisha	Portable acoustic coupler
D375501,	Jan 28 1994	Plantronics, Inc	Cup receptacle for telephone hand set
D412322,	Sep 28 1998	Commercial & Industrial Design Co., Inc.	Data port coupler

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Oct 09 1979		Canon Kabushiki Kaisha	(assignment on the face of the patent)

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