Automatic eye-refraction measuring apparatus with spectacle lens measuring apparatus
- Canon
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Description
FIG. 1 is a front elevational view of an automatic eye-refraction measuring apparatus with spectacle lens measuring apparatus showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a perspective view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D297645 | September 13, 1988 | Nishimura |
D316144 | April 9, 1991 | Nishimura |
D320077 | September 17, 1991 | Koizumi |
D325782 | April 28, 1992 | Elic |
D327024 | June 16, 1992 | Elic |
4571842 | February 25, 1986 | Ikezawa et al. |
- Topcon; CL-2000; Feb. 1989; cover; applicant provided. Topcon; CL-1500; Apr. 1986; cover; applicant provided. Nikos; NL-30; cover; applicant provided.
Patent History
Patent number: D341541
Type: Grant
Filed: Apr 10, 1992
Date of Patent: Nov 23, 1993
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventor: Hiroyuki Ichiyoshi (Kawasaki)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/866,545
Type: Grant
Filed: Apr 10, 1992
Date of Patent: Nov 23, 1993
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventor: Hiroyuki Ichiyoshi (Kawasaki)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/866,545
Classifications