US3244496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass furnace fining means
Assignee: Bausch and Lomb Inc
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Filing: 1962-07-02
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Granted: 1966-04-05
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 John M Apple
- 👤 Charles F Mooney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:19
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/18; C03B5/183; C03B5/185; C03B5/182; Y; Y10; Y10S; Y10S65/00; Y10S65/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A GLASS FURNACE THE COMBINATION COMPRISING, A MELTING POT DEFINING A MELTING CHAMBER, HEATING MEANS AROUND SAID MELTING POT FOR CREATING CONVECTION CURRENT FLOW OF THE MOLTEN GLASS IN THE MELTING CHAMBER, TEMPERATURE SENSING MEANS IN SAID MELTING CHAMBER, REGULATING MEANS CONNECTED TO SAID SENSING MEANS AND SAID HEATING MEANS FOR CONTROLLING HEATING OF THE MELTING CHAMBER IN RESPONSE TO TEMPERATURE CONDITIONS IN SAID MELTING CHAMBER, MEANS DEFINING A CHARGING OPENING AT THE TOP OF SAID MELTING CHAMBER FOR RECEIVING GLASS FORMING MATERIAL FOR THE FORMATION OF MOLTEN GLASS, MEANS DEFINING A DISCHARGE OPENING AT THE BOTTOM OF SAID MELTING CHAMBER, A SCREENING DEVICE LOCATED INTERMEDIATE SAID CHARGING OPENING AND SAID DISCHARGE OPENING AND TRANSVERSE OF FLUID MOVEMENT FOR SCREENING OF MOLTEN GLASS FOR HOMOGENIZING AND DEGASSING MOLTEN GLASS AS THE GLASS IS PASSED THROUGH SAID SCREEN.
Claim 2
Dependent Claim
138 words
IN A GLASS FURNACE THE COMBINATION COMPRISING, A MELTING POT DEFINING A MELTING CHAMBER, HEATING MEANS AROUND SAID MELTING POT FOR CREATING CONVECTION CURRENT FLOW OF THE MOLTEN GLASS IN THE MELTING CHAMBER, TEMPERATURE SENSING MEANS IN SAID MELTING CHAMBER, REGULATING MEANS CONNECTED TO SAID SENSING MEANS AND SAID HEATING MEANS FOR CONTROLLING HEATING OF THE MELTING CHAMBER IN RESPONSE TO TEMPERATURE CONDITIONS IN SAID MELTING CHAMBER, MEANS DEFINING A CHARGING OPENING AT THE TOP OF SAID MELTING CHAMBER FOR RECEIVING GLASS FORMING MATERIAL FOR THE FORMATION OF MOLTEN GLASS, MEANS DEFINING A DISCHARGE OPENING AT THE BOTTOM OF SAID MELTING CHAMBER, A SCREENING DEVICE LOCATED INTERMEDIATE SAID CHARGING OPENING AND SAID DISCHARGE OPENING AND TRANSVERSE OF FLUID MOVEMENT FOR SCREENING OF MOLTEN GLASS FOR HOMOGENIZING AND DEGASSING MOLTEN GLASS AS THE GLASS IS PASSED THROUGH SAID SCREEN.
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) | 1969-04-04 | 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 |