Loudspeaker

- Pioneer Kabushiki Kaisha
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Description

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

FIG. 2 is a rear elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a left side elevational view;

FIG. 6 is a right side elevational view; and

FIG. 7 is a front and top perspective view.

Referenced Cited
U.S. Patent Documents
D188541 August 1960 Matsuoka et al.
D188542 August 1960 Levy et al.
D197716 March 1964 Boldt et al.
D198377 June 1964 Wassmann
D244781 June 21, 1977 Saidel
D254252 February 19, 1980 Matsubara
D254490 March 18, 1980 Matsubara
1080953 December 1913 Catucci
2857478 December 1958 Harris
4032725 June 28, 1977 McGee
Foreign Patent Documents
28-482411 August 1953 JPX
29-519087 December 1954 JPX
39-231692 April 1964 JPX
Other references
  • Altec Lansing Corp., Beverly Hills, CA, Cat. #AL-1264-3, p. 9, Speakers #'s 601A & 604C.
Patent History
Patent number: D270909
Type: Grant
Filed: Mar 24, 1981
Date of Patent: Oct 11, 1983
Assignee: Pioneer Kabushiki Kaisha (Tokyo)
Inventor: Takekazu Iijima (Tokyo)
Primary Examiner: Jane E. Corrigan
Law Firm: Armstrong, Nikaido, Marmelstein & Kubovcik
Application Number: 6/246,959
Classifications
Current U.S. Class: D14/30
International Classification: D1401;