Patent US3233595A successfully refreshed from Google Patents.
US3233595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chimney
Assignee: Individual
•
Filing: 1963-12-16
•
Granted: 1966-02-08
•
Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Saulx Christian Kraft De La
- 👤 Salier Nicolas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:20
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/38; C21C5/40; F; F23; F23J; F23J11/00; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A COOLED CHIMNEY FOR STEEL MAKING CONVERTERS AND HAVING HOLLOW SIDE WALLS WITH WATER CHANNELS CONSTITUTING A CENTRAL DUCT FOR THE PASSAGE OF THE GAS TO BE COOLED, A BUNCH OF WATER TUBES IN SAID CENTRAL DUCT, A RESERVOIR TANK LOCATED AT THE TOP OF SAID HOLLOW SIDE WALLS AND SURROUNDING SAID CENTRAL DUCT, A VAPOUR SEPARATOR ON SAID RESERVOIR TANK, SAID WATER TUBES COMMUNICATING AT ONE END WITH ONE SIDE WALL AND AT THE OTHER END WITH SAID RESERVOIR TANK, SAID WATER TUBES BEING INCLINED AND STARTING FROM ONE OF SAID SIDE WALLS FOR TERMINATING IN THAT PART OF THE RESERVOIR TANK LOCATED ON THE OPPOSITE WALL, SAID RESERVOIR TANK BEING DIRECTLY SUPPORTED BY SAID SIDE WALLS, BOTTOM PROJECTIONS ON THE INSIDE SURFACES OF SAID WALLS FOR RE-
Claim 2
Dependent Claim
129 words
A COOLED CHIMNEY FOR STEEL MAKING CONVERTERS AND HAVING HOLLOW SIDE WALLS WITH WATER CHANNELS CONSTITUTING A CENTRAL DUCT FOR THE PASSAGE OF THE GAS TO BE COOLED, A BUNCH OF WATER TUBES IN SAID CENTRAL DUCT, A RESERVOIR TANK LOCATED AT THE TOP OF SAID HOLLOW SIDE WALLS AND SURROUNDING SAID CENTRAL DUCT, A VAPOUR SEPARATOR ON SAID RESERVOIR TANK, SAID WATER TUBES COMMUNICATING AT ONE END WITH ONE SIDE WALL AND AT THE OTHER END WITH SAID RESERVOIR TANK, SAID WATER TUBES BEING INCLINED AND STARTING FROM ONE OF SAID SIDE WALLS FOR TERMINATING IN THAT PART OF THE RESERVOIR TANK LOCATED ON THE OPPOSITE WALL, SAID RESERVOIR TANK BEING DIRECTLY SUPPORTED BY SAID SIDE WALLS, BOTTOM PROJECTIONS ON THE INSIDE SURFACES OF SAID WALLS FOR RE-
References Cited (Backward Citations)
DE12495C
Cited
US11220A
Cited
US255484A
Cited
US500166A
Cited
GB190016652A
Cited
US2552044A
Cited
US2552505A
Cited
FR1009223A
Cited
GB891112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |