Patent
   D434498
Priority
Feb 09 1999
Filed
Feb 09 1999
Issued
Nov 28 2000
Expiry
Nov 28 2014
Assg.orig
Entity
unknown
5
4
n/a
The ornamental design for an indirect ophthalmoscopy lens two piece retaining ring, as shown and described.

FIG. 1 is a side elevational view of an unattached indirect ophthalmoscopy lens retaining ring, showing the new design according to a first embodiment;

FIG. 2 is a side elevational view of the attached indirect ophthalmosopy lens retaining ring, showing the new design according to the first embodiment;

FIG. 3 is a cross-sectional view taken along line 3--3 of FIG. 2 where the indirect ophthalmoscopy lens is clearly shown;

FIG. 4 is an end elevational view taken from the right of FIG. 2;

FIG. 5 is an end elevational view taken from the left of FIG. 2;

FIG. 6 is a side elevational of an unattached indirect ophthalmoscopy lens retaining ring, showing the new design according to a second embodiment;

FIG. 7 is a side elevational view of the attached indirect ophthalmoscopy lens retaining ring, showing the new design according to a second embodiment;

FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 7 where the indirect ophthalmoscopy lens is clearly shown;

FIG. 9 is an end elevational view taken from the right of FIG. 7; and,

FIG. 10 is an end elevational view taken from the left of FIG. 7.

Volk, Donald A., Mueller, Richard M.

Patent Priority Assignee Title
7499219, Oct 14 2005 VOLK OPTICAL INC Optimized lens for indirect ophthalmoscopy
D748269, Dec 03 2014 AMO Development, LLC Suction ring for a patient interface device
D775354, Dec 03 2014 AMO Development, LLC Fluid reservoir
D775357, Oct 13 2015 SENSOR MEDICAL TECHNOLOGY, LLC; KATENA PRODUCTS, INC Ophthalmic lens
D777928, Oct 13 2015 SENSOR MEDICAL TECHNOLOGY, LLC; KATENA PRODUCTS, INC Ophthalmic lens
Patent Priority Assignee Title
4913545, Oct 06 1988 VOLK OPTICAL, INC Adapter for lens retaining ring for use in connection with eye examination
5255025, Oct 15 1991 VOLK OPTICAL, INC Measurement apparatus for indirect ophthalmoscopy
5784147, Nov 15 1993 Indirect ophthalmoscopy lens system
D357319, Nov 15 1993 VOLK OPTICAL, INC Indirect ophthalmoscopy lens retaining ring
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 26 1999VOLK, DONALD A VOLK OPTICAL, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0097610636 pdf
Feb 01 1999MUELLER, RICHARD M VOLK OPTICAL, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0097610636 pdf
Feb 09 1999Volk Optical, Inc.(assignment on the face of the patent)
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