US3206295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lined glass furnace
Assignee: Bausch and Lomb Inc
•
Filing: 1962-01-02
•
Granted: 1965-09-14
•
Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 John S Mattern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:53
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/167; C03B5/1672; C03B5/1675; C03B5/04; C03B5/18; C03B5/193; C03B5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A GLASS FURNACE COMPRISING REFRACTORE MEANS A DEFINING A MELTING CHAMBER, REFRACTORY MEANS DEFINING A FINING CHAMBER AND A SUBMERGED THROAT CONNECTING SAID MELTING CHAMBER TO SAID FINING CHAMBER, A PLATINUM LINER LINING SAID FINING CHAMBER AND SAID SUBMERGED THROUAT TO PREVENT EROSION AND TO PROVIDE HEAT TRANFER THROUGH SAID SUBMERGED THROAT TO ASSURE CONTINUITY OF FLOW FROM SAID MELTING CHAMBER TO SAID FINING CHAMBER, CONDUIT MEANS EXTENDING INTO SAID THROAT AND INTO SAID FINING CHAMBER INTRODUCING GAS FOR HOMOGENIZING AND FINING GLASS, A DEFLECTING PLATINUM GLANGE INTEGRAL WITH SADI PLATINUM LINER EXTENDING INTO SAID MELTING CHAMBER TO DEFLECT THE INTRODUCED GAS AWAY FROM THE REFRACTORY MEANS IN SAID MELTING CHAMBER.
Claim 2
Dependent Claim
111 words
A GLASS FURNACE COMPRISING REFRACTORE MEANS A DEFINING A MELTING CHAMBER, REFRACTORY MEANS DEFINING A FINING CHAMBER AND A SUBMERGED THROAT CONNECTING SAID MELTING CHAMBER TO SAID FINING CHAMBER, A PLATINUM LINER LINING SAID FINING CHAMBER AND SAID SUBMERGED THROUAT TO PREVENT EROSION AND TO PROVIDE HEAT TRANFER THROUGH SAID SUBMERGED THROAT TO ASSURE CONTINUITY OF FLOW FROM SAID MELTING CHAMBER TO SAID FINING CHAMBER, CONDUIT MEANS EXTENDING INTO SAID THROAT AND INTO SAID FINING CHAMBER INTRODUCING GAS FOR HOMOGENIZING AND FINING GLASS, A DEFLECTING PLATINUM GLANGE INTEGRAL WITH SADI PLATINUM LINER EXTENDING INTO SAID MELTING CHAMBER TO DEFLECT THE INTRODUCED GAS AWAY FROM THE REFRACTORY MEANS IN SAID MELTING CHAMBER.
References Cited (Backward Citations)
US1970112A
Cited
GB611401A
Cited
US2688469A
Cited
US2777254A
Cited
US2900764A
Cited
US3030736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |