Refractometer
- Canon
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Description
FIG. 1 is a front elevational view of a refractometer 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;
FIG. 7 is a perspective view thereof in use position.
Referenced Cited
Patent History
Patent number: D316144
Type: Grant
Filed: Aug 9, 1988
Date of Patent: Apr 9, 1991
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventor: Hiroshi Nishimura (Tokyo)
Primary Examiner: Stella Reid
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/230,114
Type: Grant
Filed: Aug 9, 1988
Date of Patent: Apr 9, 1991
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventor: Hiroshi Nishimura (Tokyo)
Primary Examiner: Stella Reid
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/230,114
Classifications
Current U.S. Class:
D24/17