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(12) Patent: | (11) CA 1272405 |
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(21) Application Number: | 1272405 |
(54) English Title: | SCLERAL RING |
(54) French Title: | ANNEAU SCLERAL |
Status: | Expired and beyond the Period of Reversal |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | |
(74) Associate agent: | |
(45) Issued: | 1990-08-07 |
(22) Filed Date: | 1986-11-17 |
Availability of licence: | Yes |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | None |
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ABSTRACT
A scleral ring of hydrophilic material 0.05 to .35
millimeters thick is provided with a circular shape about
16 to 25 millimeters in diameter, or a generally elliptical
shape approximately 24 to 30 millimeters long and
approximately 12 to 18 millimeters in width, also a central
portion of about 9 to 15 millimeters in diameter. There is
also a peripheral portion disposed about said central
portion colored white, whereby the exposed portion of the
wearer's sclera is cosmetically treated. The central
portion may have an optical center about 5 millimeters in
diameter, preferably of optical quality for the correction
of vision or clear or removed.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
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Description | Date |
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Inactive: Inventor deleted | 1999-09-02 |
Inactive: Adhoc Request Documented | 1993-08-07 |
Time Limit for Reversal Expired | 1993-02-09 |
Letter Sent | 1992-08-07 |
Grant by Issuance | 1990-08-07 |
There is no abandonment history.
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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WILLIAM M. LICHTMAN |
Past Owners on Record |
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None |