Patent US3244497A successfully refreshed from Google Patents.
US3244497A
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Glass press mold structure with temperature regulation
Assignee: Bausch and Lomb Inc
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Filing: 1962-09-27
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Granted: 1966-04-05
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Expires: 1982-09-27
Abstract
No abstract record available.
Inventors
- 👤 Clinton R Copeland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:04
CPC Classifications
C; C03; C03B; C03B11/00; C03B11/12; C03B11/06; C03B11/08; C03B2215/00; C03B2215/40; C03B2215/46; C03B2215/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A MOLD STRUCTURE FOR MOLDING LENS BLANKS COMPRISING, A MOLD BASE, TEMPERATURE REGULATED MEANS ASSOCIATED WITH SAID MOLD BASE FOR MAINTAINING A SUBSTANTIALLY CONSTANT TEMPERATURE OF SAID BASE, A PLUNGER FOR OPERATING WITH SAID BASE FORMIANG A LENS BLANK CAVITY, TEMPERATURE REGULATING MEANS ASSOCIATED WITH SAID PLUNGER FOR MAINTAINING A SUBSTANTIALLY CONSTANT PLUNGER TEMPERATURE, A RIGID SUPPORTING TABLE PROVIDING A SOLID MOUNTING STRUCTURE, A LIMITED CONTACT SUPPORT MEANS INTERMEDIATE SAID SUPPORTING TABLE AND SAID BASE REDUCING HEAT TRANSFER TO A MINIMUM, INSULATING MEANS INTERMEDIATE SAID MOLD BASE AND SAID SUPPORTING TABLE THEREBY LIMITING HEAT TRANSFER FROM SAID MOLD TO A POINT EXTERNAL OF SAID MOLD AND MAINTAIN SUBSTANTIALLY CONSTANT DIMENSIONS AND TEMPERATURES WITHIN THE MOLD CAVITY FOR MOLDING PRECISION LENS BLANKS OF OPTICAL EXCELLENCE.
Claim 2
Dependent Claim
124 words
A MOLD STRUCTURE FOR MOLDING LENS BLANKS COMPRISING, A MOLD BASE, TEMPERATURE REGULATED MEANS ASSOCIATED WITH SAID MOLD BASE FOR MAINTAINING A SUBSTANTIALLY CONSTANT TEMPERATURE OF SAID BASE, A PLUNGER FOR OPERATING WITH SAID BASE FORMIANG A LENS BLANK CAVITY, TEMPERATURE REGULATING MEANS ASSOCIATED WITH SAID PLUNGER FOR MAINTAINING A SUBSTANTIALLY CONSTANT PLUNGER TEMPERATURE, A RIGID SUPPORTING TABLE PROVIDING A SOLID MOUNTING STRUCTURE, A LIMITED CONTACT SUPPORT MEANS INTERMEDIATE SAID SUPPORTING TABLE AND SAID BASE REDUCING HEAT TRANSFER TO A MINIMUM, INSULATING MEANS INTERMEDIATE SAID MOLD BASE AND SAID SUPPORTING TABLE THEREBY LIMITING HEAT TRANSFER FROM SAID MOLD TO A POINT EXTERNAL OF SAID MOLD AND MAINTAIN SUBSTANTIALLY CONSTANT DIMENSIONS AND TEMPERATURES WITHIN THE MOLD CAVITY FOR MOLDING PRECISION LENS BLANKS OF OPTICAL EXCELLENCE.
References Cited (Backward Citations)
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |