US3258323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ophthalmic lens hardening apparatus
Assignee: Kirk Optical Lens Co Inc
•
Filing: 1963-03-26
•
Granted: 1966-06-28
•
Expires: 1983-03-26
Abstract
No abstract record available.
Inventors
- 👤 Kirk Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:27
CPC Classifications
C; C03; C03B; C03B27/00; C03B27/04; C03B27/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
AN OPHTHALMIC LENS HARDENING APPARATUS COMPRISING A HOUSING, AN INSULATED ELECTRIC KILN FULLY ENCLOSED IN SAID HOUSING, A CONSTANTLY OPEN PASSAGEWAY DEFINED IN SAID HOUSING AND LEADING TO SAID KILN, A LENS CONVEYOR HAVING HORIZONTALLY DISPOSED LENS SUPPORT MEANS ON WHICH A RIM EDGE OF AN OPHTHALMIC LENS MAY REST, MEANS ON SAID CONVEYOR TO MOVE SAID LENS SUPPORT MEANS IN AND OUT OF SAID KILN THROUGH SAID CONSTANTLY OPEN PASSAGEWAY, AND FLUID SUPPLY MEANS DIRECTED AT THE UPPER AND LOWER SIDES OF THE OPHTHALMIC LENS RESTING ON SAID LENS SUPPORT MEANS WHEN THE SAME IS OUT OF SAID KILN, SAID FLUID SUPPLY MEANS EXTENDING THROUGH SAID HOUSING AND THE INSULATION THEREIN AND POSITIONED WITH RESPECT TO SAID KILN SO THAT THE FLUID THEREIN IS PREHEATED AND DRIED BY THE HEAT SAID KILN IN SAID HOUSING WHEREBY FLUID SUPPLIED BY SAID FLUID SUPPLY MEANS TO THE OPHTHALMIC LENS IS PREHEATED AND DRIED.
Claim 2
Dependent Claim
152 words
AN OPHTHALMIC LENS HARDENING APPARATUS COMPRISING A HOUSING, AN INSULATED ELECTRIC KILN FULLY ENCLOSED IN SAID HOUSING, A CONSTANTLY OPEN PASSAGEWAY DEFINED IN SAID HOUSING AND LEADING TO SAID KILN, A LENS CONVEYOR HAVING HORIZONTALLY DISPOSED LENS SUPPORT MEANS ON WHICH A RIM EDGE OF AN OPHTHALMIC LENS MAY REST, MEANS ON SAID CONVEYOR TO MOVE SAID LENS SUPPORT MEANS IN AND OUT OF SAID KILN THROUGH SAID CONSTANTLY OPEN PASSAGEWAY, AND FLUID SUPPLY MEANS DIRECTED AT THE UPPER AND LOWER SIDES OF THE OPHTHALMIC LENS RESTING ON SAID LENS SUPPORT MEANS WHEN THE SAME IS OUT OF SAID KILN, SAID FLUID SUPPLY MEANS EXTENDING THROUGH SAID HOUSING AND THE INSULATION THEREIN AND POSITIONED WITH RESPECT TO SAID KILN SO THAT THE FLUID THEREIN IS PREHEATED AND DRIED BY THE HEAT SAID KILN IN SAID HOUSING WHEREBY FLUID SUPPLIED BY SAID FLUID SUPPLY MEANS TO THE OPHTHALMIC LENS IS PREHEATED AND DRIED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |