US3226887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for processing of ophthalmic lens
Assignee: Camelot Industries Corp
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Filing: 1962-03-07
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Granted: 1966-01-04
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Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Milo O Rudd
- 👤 Walter C Tripp
- 👤 George A Beasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:50
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/14; B24B13/00; B24B13/005
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
159 words
A METHOD OF PRODUCING AN OPHTHALMIC LENS ACCORDING TO PRESCRIBED DIMENSIONAL RELATIONS, COMPRISING THE STEPS OF SUPPORTING A SEMI-FINISHED LENS BLANK IN A PREDETERMINED POSITION, DETERMINING THE LOCATION OF THE ULTIMATE MECHANICAL CENTER OF THE FINISHED LENS AND OF THE ULTIMATE OPTICAL CENTER OF THE FINISHED LENS ON SAID BLANK IN SUCH POSITION, ATTACHING FIXTURES TO THE FINISHED SURFACE OF THE SEMI-FINISHED BLANK ALIGNED WITH THE ULTIMATE MECHANICAL CENTER AND THE ULTIMATE OPTICAL CENTER RESPECTIVELY AND REFERENCED ACCORDING TO THE ULTIMATE HORIZONTAL ALIGNMENT OF THE FINISHED LENS, FORMING THE PRESCRIBED OPTICAL SURFACE ON THE UNFINISHED SIDE OF THE LENS BLANK WITH REFERENCE TO THAT FIXTURE PREVIOUSLY RELATED TO THE ULTIMATE OPTICAL CENTER, FINISHING THE THUS FORMED PRESCRIBED OPTICAL SURFACE, AND FORMING ON THE BLANK THE FINAL EDGE CONTOUR OF THE FINISHED LENS WITH RESPECT TO THE MECHANICAL CENTER AND THE REQUIRED HORIZONTAL ALIGNMENT OF THE LENS BY EMPLOYING THE MECHANICAL CENTER AND HORIZONTAL ALIGNMENT REFERENCES DERIVED FROM THE FIXTURES.
Claim 2
Independent Claim
159 words
A METHOD OF PRODUCING AN OPHTHALMIC LENS ACCORDING TO PRESCRIBED DIMENSIONAL RELATIONS, COMPRISING THE STEPS OF SUPPORTING A SEMI-FINISHED LENS BLANK IN A PREDETERMINED POSITION, DETERMINING THE LOCATION OF THE ULTIMATE MECHANICAL CENTER OF THE FINISHED LENS AND OF THE ULTIMATE OPTICAL CENTER OF THE FINISHED LENS ON SAID BLANK IN SUCH POSITION, ATTACHING FIXTURES TO THE FINISHED SURFACE OF THE SEMI-FINISHED BLANK ALIGNED WITH THE ULTIMATE MECHANICAL CENTER AND THE ULTIMATE OPTICAL CENTER RESPECTIVELY AND REFERENCED ACCORDING TO THE ULTIMATE HORIZONTAL ALIGNMENT OF THE FINISHED LENS, FORMING THE PRESCRIBED OPTICAL SURFACE ON THE UNFINISHED SIDE OF THE LENS BLANK WITH REFERENCE TO THAT FIXTURE PREVIOUSLY RELATED TO THE ULTIMATE OPTICAL CENTER, FINISHING THE THUS FORMED PRESCRIBED OPTICAL SURFACE, AND FORMING ON THE BLANK THE FINAL EDGE CONTOUR OF THE FINISHED LENS WITH RESPECT TO THE MECHANICAL CENTER AND THE REQUIRED HORIZONTAL ALIGNMENT OF THE LENS BY EMPLOYING THE MECHANICAL CENTER AND HORIZONTAL ALIGNMENT REFERENCES DERIVED FROM THE FIXTURES.
Claim 3
Dependent Claim
206 words
APPARATUS FOR USE IN FORMING A PRESCRIBED OPTICAL SURFACE ON A LENS BLANK, COMPRISING MEANS FOR MOUNTING SAID BLANK IN PREDETERMINED LOCATION, FIRST TUBULAR FIXTURE MEANS ADAPTED TO BE SECURED TO SAID BLANK IN PREDETERMINED RELATION TO THE ULTIMATE MECHANICAL CENTER TO THE FINISHED LENS, A FIRST HOLDER FOR SAID FIRST FIXTURE MEANS, SECOND TUBULAR FIXTURE MEANS ADAPTED FOR SECURING TO SAID LENS BLANK IN PREDETERMINED RELATION TO THE ULTIMATE OPTICAL CENTER OF THE FINISHED LENS, A SECOND HOLDER FOR SAID SECOND FIXTURE MEANS, AN INDEX MEANS ASSOCIATED WITH SAID LENS MOUNTING MEANS TO PROVIDE AN INDEX BETWEEN THE FIXTURE MEANS RELATED TO THE LOCATION OF THE BLANK OF THE ULTIMATE HORIZONTAL AXIS OF THE FINISHED LENS, INDEPENDENT CONTROLS FOR SAID FIRST AND SECOND HOLDER MEANS AND FOR SAID INDEX MEANS OPERATIVE TO MOVE BOTH SAID FIXTURE MEANS AND SAID INDEX MEANS INTO PREDETERMINED RELATION WITH A LENS BLANK IN SAID MOUNTING MEANS, AND ATTACHMENT MEANS COOPERATING WITH SAID FIXTURE MEANS FOR INTERPOSING AN ATTACHMENT BETWEEN THE FIXTURE MEANS TO FIX BOTH SAID FIXTURE MEANS TO A BLANK IN SAID MOUNTING MEANS AND FOR REPRODUCING A LOCATOR BETWEEN THE FIXTURE MEANS IN SAID ATTACHMENT IN THE ASSEMBLED FIXTURE MEANS AND BLANK REFERENCED TO SAID INDEX MEANS.
Claim 4
Dependent Claim
206 words
APPARATUS FOR USE IN FORMING A PRESCRIBED OPTICAL SURFACE ON A LENS BLANK, COMPRISING MEANS FOR MOUNTING SAID BLANK IN PREDETERMINED LOCATION, FIRST TUBULAR FIXTURE MEANS ADAPTED TO BE SECURED TO SAID BLANK IN PREDETERMINED RELATION TO THE ULTIMATE MECHANICAL CENTER TO THE FINISHED LENS, A FIRST HOLDER FOR SAID FIRST FIXTURE MEANS, SECOND TUBULAR FIXTURE MEANS ADAPTED FOR SECURING TO SAID LENS BLANK IN PREDETERMINED RELATION TO THE ULTIMATE OPTICAL CENTER OF THE FINISHED LENS, A SECOND HOLDER FOR SAID SECOND FIXTURE MEANS, AN INDEX MEANS ASSOCIATED WITH SAID LENS MOUNTING MEANS TO PROVIDE AN INDEX BETWEEN THE FIXTURE MEANS RELATED TO THE LOCATION OF THE BLANK OF THE ULTIMATE HORIZONTAL AXIS OF THE FINISHED LENS, INDEPENDENT CONTROLS FOR SAID FIRST AND SECOND HOLDER MEANS AND FOR SAID INDEX MEANS OPERATIVE TO MOVE BOTH SAID FIXTURE MEANS AND SAID INDEX MEANS INTO PREDETERMINED RELATION WITH A LENS BLANK IN SAID MOUNTING MEANS, AND ATTACHMENT MEANS COOPERATING WITH SAID FIXTURE MEANS FOR INTERPOSING AN ATTACHMENT BETWEEN THE FIXTURE MEANS TO FIX BOTH SAID FIXTURE MEANS TO A BLANK IN SAID MOUNTING MEANS AND FOR REPRODUCING A LOCATOR BETWEEN THE FIXTURE MEANS IN SAID ATTACHMENT IN THE ASSEMBLED FIXTURE MEANS AND BLANK REFERENCED TO SAID INDEX MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |