Opera glasses

- Young Optical Co., Ltd.

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Description

FIG. 1 is a perspective view of opera glasses showing our new design;

FIG. 2 is a perspective view thereof from the side opposite that shown in FIG. 1;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an end elevational view thereof from the left of FIG. 4, the opposite end elevational view being the mirror image thereof; and

FIG. 6 is a top plan view thereof, the bottom plan view thereof being identical.

Referenced Cited
U.S. Patent Documents
D106310 October 1937 Ludovici
Foreign Patent Documents
35-18380 August 1960 JPX
60-6119 January 1985 JPX
689579 October 1986 JPX
690156 October 1986 JPX
Other references
  • Selsi Co., Inc. catalog, p. 10, Opera Glasses, No. 205.
Patent History
Patent number: D305902
Type: Grant
Filed: Apr 28, 1988
Date of Patent: Feb 6, 1990
Assignee: Young Optical Co., Ltd. (Tokyo)
Inventors: Shoji Wakayama (Tokyo), Akio Akiyama (Tokyo)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris V. Coles
Law Firm: Young & Thompson
Application Number: 7/191,028
Classifications
Current U.S. Class: Binocular (D16/133)