Patent
   D244616
Priority
Oct 28 1975
Filed
Oct 28 1975
Issued
Jun 07 1977
Expiry
Jun 07 1991
Assg.orig
Entity
unknown
20
4
n/a
The ornamental design for a power amplifier, substantially as shown and described.

FIG. 1 is a perspective view of the power amplifier embodying my new design;

FIG. 2 is a left side elevation view thereof, the right side being a mirror image of the side shown;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Sizer, Stuart Walter

Patent Priority Assignee Title
D251377, Nov 10 1976 Telefonaktiebolaget L M Ericsson Communication radio set
D252809, Jan 12 1977 The Magnavox Company Amplifier
D252810, Jan 12 1977 The Magnavox Company Amplifier
D254304, Jan 20 1977 Matsushita Electric Industrial Co., Ltd. Motor vehicular citizens' band transceiver
D259565, Dec 21 1977 Godo Kigyo Co., Ltd. Mounted amplifier
D259789, Dec 21 1977 Mounted amplifier
D261887, Apr 26 1979 Clarion Co., Ltd. Amplifier for automobile
D265198, May 13 1980 International Jensen Incorporated Electronic power amplifier
D266510, Jan 22 1979 Pioneer Kabushiki Kaisha Amplifier
D267949, Nov 01 1979 Clarion Co. Ltd. Amplifier for automobile
D325032, May 14 1990 Motorola, Inc.; MOTOROLA, INC , A CORP OF DE Radio housing or similar article
D327072, Dec 31 1990 INFINITY SYSTEMS, INC Audio amplifier housing
D343394, Feb 06 1991 SONY CORPORATION A CORP OF JAPAN Amplifier for car
D343395, Feb 06 1991 SONY CORPORATION, A CORP OF JAPAN Amplifier for car
D343838, Dec 18 1991 INFINITY SYSTEMS, INC Amplifier housing
D347844, Jun 02 1992 Toa Kabushiki Kaisha Amplifier
D349702, Jun 02 1992 Toa Kabushiki Kaisha Amplifier
D368261, Jan 03 1994 Power amplifier
D558732, Mar 23 2005 Asboluta Sound and Space S.r.l. Sound amplifier
D571352, Dec 11 2006 Victor Company of Japan, Limited Amplifier for vehicle
Patent Priority Assignee Title
201083,
202349,
223368,
242260,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 28 1975Heath Company(assignment on the face of the patent)
Oct 01 1979Heath CompanyH CO INC ASSIGNMENT OF ASSIGNORS INTEREST 0039170318 pdf
Nov 26 1979H CO INC Heath CompanyCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0039170321 pdf
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