Patent US2778783A successfully refreshed from Google Patents.
US2778783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means protecting buckstays against overheating
Assignee: Individual
•
Filing: 1953-05-26
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Granted: 1957-01-22
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Expires: 1973-05-26
Abstract
No abstract record available.
Inventors
- 👤 Otto Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:03
CPC Classifications
C; C10; C10B; C10B25/00; C10B25/02; C10B25/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A COKE OVEN BATTERY STRUCTURE COMPRISING HORIZONTAL COKING CHAMBERS, HEATING WALLS ALTERNATING WITH THE COKING CHAMBERS ALONG THE LENGTH OF THE BATTERY, END WALLS HAVING OPENINGS THEREIN TO PROVIDE ACCESS TO SAID COKING CHAMBERS, AND VERTICAL BUCKSTAYS ANCHORED TO THE BATTERY STRUCTURE AND BEARING AGAINST THE ENDS OF THE HEATING WALLS, THE COMBINATION WITH SAID BUCKSTAYS OF VERTICAL HEAT SHIELDS EACH INTERPOSED BETWEEN A BUCKSTAYS AND THE COKE OVEN OPENING ADJACENT THE BUCKSTAY AND IN POSITION TO SUBSTANTIALLY RESTRICT THE TRANSFER OF HEAT TO THE BUCKSTAY FROM SAID ADJACENT OVEN OPENING, SAID HEAT SHIELD BEING FIXEDLY OPERATIVELY SECURED AT ONE EDGE AND BEING FREE AT ITS OPPOSITE EDGE.
Claim 2
Dependent Claim
109 words
IN A COKE OVEN BATTERY STRUCTURE COMPRISING HORIZONTAL COKING CHAMBERS, HEATING WALLS ALTERNATING WITH THE COKING CHAMBERS ALONG THE LENGTH OF THE BATTERY, END WALLS HAVING OPENINGS THEREIN TO PROVIDE ACCESS TO SAID COKING CHAMBERS, AND VERTICAL BUCKSTAYS ANCHORED TO THE BATTERY STRUCTURE AND BEARING AGAINST THE ENDS OF THE HEATING WALLS, THE COMBINATION WITH SAID BUCKSTAYS OF VERTICAL HEAT SHIELDS EACH INTERPOSED BETWEEN A BUCKSTAYS AND THE COKE OVEN OPENING ADJACENT THE BUCKSTAY AND IN POSITION TO SUBSTANTIALLY RESTRICT THE TRANSFER OF HEAT TO THE BUCKSTAY FROM SAID ADJACENT OVEN OPENING, SAID HEAT SHIELD BEING FIXEDLY OPERATIVELY SECURED AT ONE EDGE AND BEING FREE AT ITS OPPOSITE EDGE.
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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) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |