Indirect ophthalmoscopy lens retaining ring

- Volk Optical, Inc.

CLAIM The ornamental design for an indirect ophthalmoscopy lens retaining ring, as shown and described. DESCRIPTION FIG. 1 is a side elevational view of an indirect opthalmoscopy lens retaining ring, showing my new design; FIG. 2 is a cross-sectional view taken along lines 2—2 of FIG. 1; FIG. 3 2 is an end elevational view taken from the left of FIG. 1 and; FIG. 4 3 is an end elevational view taken from the right of FIG. 1.

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Description

Claims

Referenced Cited
U.S. Patent Documents
3944341 March 16, 1976 Pomerantzeff
4913545 April 3, 1990 Volk
4934809 June 19, 1990 Volk
5046836 September 10, 1991 Volk
5255025 October 19, 1993 Volk
Patent History
Patent number: RE37298
Type: Grant
Filed: Aug 14, 1995
Date of Patent: Jul 31, 2001
Assignee: Volk Optical, Inc. (Mentor, OH)
Inventor: Donald A. Volk (Mentor, OH)
Primary Examiner: Stella Reid
Attorney, Agent or Law Firms: Venable, Robert Kinberg
Application Number: 29/042,668
Classifications
Current U.S. Class: Ophthalmic (44) (D24/172)
International Classification: 2401;