Loudspeaker

- Canon
Description

FIG. 1 is a front view of a loudspeaker showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is an underneath plan view thereof;

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

FIG. 6 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D247490 March 14, 1978 Everidge
D292702 November 10, 1987 White et al.
D302817 August 15, 1989 Macaulay
D303970 October 10, 1989 Collins et al.
3765504 October 1973 Itoh
3976838 August 24, 1976 Stallings
4357490 November 2, 1982 Dickey
5115882 May 26, 1992 Woody
Foreign Patent Documents
0320270 June 1989 EPX
774167 February 1956 GBX
1316771 May 1973 GBX
1348535 March 1974 GBX
2007461 May 1979 GBX
2184323 June 1987 GBX
2188811 October 1987 GBX
2215166 September 1989 GBX
2226214 June 1990 GBX
Other references
  • Stereo Review Apr. 1988 Back Cover B&W speaker, right side.
Patent History
Patent number: D334750
Type: Grant
Filed: Feb 1, 1991
Date of Patent: Apr 13, 1993
Assignee: Canon Research Centre Europe Limited (Surrey)
Inventors: Hirokazu Negishi (Guildford), Allen Boothroyd (Little Shelford)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/649,826