Patent US3248203A successfully refreshed from Google Patents.
US3248203A
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Apparatus for heat control of forehearths
Assignee: Owens Corning
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Filing: 1961-10-30
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Granted: 1966-04-26
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:29
CPC Classifications
C; C03; C03B; C03B7/00; C03B7/02; C03B7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
APPARATUS FOR CONDITIONING HEAT-SOFTENED GLASS, IN COMBINATION, A FOREHEARTH CHANNEL ARRANGED TO CONTAIN HEAT-SOFTENED GLASS, A HEAT SINK BODY EXTENDING THROUGH THE FLOOR OF THE CHANNEL AND PROJECTING UPWARDLY INTO THE CENTRAL REGION OF THE CHANNEL IN HEAT-TRANSFERRING RELATION WITH THE GLASS IN THE CHANNEL, SAID HEAT SINK MEANS HAVING A SURFACE AREA EXPOSED EXTERIORLY OF THE FLOOR OF THE CHANNEL FOR TRANSFERRING HEAT AWAY FROM THE GLASS.
Claim 2
Dependent Claim
68 words
APPARATUS FOR CONDITIONING HEAT-SOFTENED GLASS, IN COMBINATION, A FOREHEARTH CHANNEL ARRANGED TO CONTAIN HEAT-SOFTENED GLASS, A HEAT SINK BODY EXTENDING THROUGH THE FLOOR OF THE CHANNEL AND PROJECTING UPWARDLY INTO THE CENTRAL REGION OF THE CHANNEL IN HEAT-TRANSFERRING RELATION WITH THE GLASS IN THE CHANNEL, SAID HEAT SINK MEANS HAVING A SURFACE AREA EXPOSED EXTERIORLY OF THE FLOOR OF THE CHANNEL FOR TRANSFERRING HEAT AWAY FROM THE GLASS.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |