Amplifier

- Pioneer Kabushiki Kaisha
Description

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

FIG. 2 is a top plan view;

FIG. 3 is a right side elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a bottom plan view;

FIG. 6 is a left side elevational view; and

FIG. 7 is a front and top perspective view.

Referenced Cited
U.S. Patent Documents
D181673 December 1957 Prohaska
D216640 February 1970 Ohwada et al.
D232032 July 1974 Seager
D253823 January 1, 1980 Rams
Foreign Patent Documents
28-475700 May 1953 JPX
28-475701 May 1953 JPX
28-476055 May 1953 JPX
28-476667 June 1953 JPX
28-464794 July 1953 JPX
28-474506 July 1953 JPX
28-475494 July 1953 JPX
28-475694 July 1953 JPX
29-512502 September 1954 JPX
29-512541 September 1954 JPX
29-513515 October 1954 JPX
29-477304 November 1954 JPX
29-518109 December 1954 JPX
29-518132 December 1954 JPX
29-518133 December 1954 JPX
29-518433 December 1954 JPX
29-518833 December 1954 JPX
29-518923 December 1954 JPX
29-519016 December 1954 JPX
29-519287 December 1954 JPX
29-519288 December 1954 JPX
29-519400 December 1954 JPX
29-519401 December 1954 JPX
29-519457 December 1954 JPX
29-519474 December 1954 JPX
29-519476 December 1954 JPX
29-519350 December 1954 JPX
29-519535 December 1954 JPX
29-519966 December 1954 JPX
Other references
  • Olson 1974 Electronics Cat. #740, p. 19, Amplifier Model #QX-949. Stereo Review, 11/79, p. 13, Vector Research Ad.
Patent History
Patent number: D266511
Type: Grant
Filed: Jul 29, 1980
Date of Patent: Oct 12, 1982
Assignee: Pioneer Kabushiki Kaisha (Tokyo)
Inventors: Jun-Ichi Yamamoto (Tokyo), Noboru Keitoku (Tokyo)
Primary Examiner: Jane E. Corrigan
Law Firm: Armstrong, Nikaido, Marmelstein & Kubovcik
Application Number: 6/173,652
Classifications
Current U.S. Class: D14/96
International Classification: D1403;