Patent US4332382A successfully refreshed from Google Patents.
Patent US3203376A successfully refreshed from Google Patents.
US3203376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buckstay arrangement for furnace walls
Assignee: Combustion Engineering Inc
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Filing: 1963-12-30
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Granted: 1965-08-31
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Engelhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:03
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/20; F22B37/208; F23; F23M; F23M5/00; F23M5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A FURNACE FOR A STEAM GENERATOR OR THE LIKE COMPRISING A FIRST PAIR OF OPPOSITELY DISPOSED VERTICAL WALLS, A SECOND PAIR OF OPPOSITELY DISPOSED VERTICAL WALLS EXTENDING BETWEEN SAID FIRST PAIR OF WALLS AND JOINED THERETO TO DEFINE A CHAMBER FOR HOT GASES, BUCKSTAYS EXTENDING TRANSVERSELY ADJACENT EACH OF SAID WALLS, EACH OF SAID BUCKSTAYS HAVING END PORTIONS WHICH EXTEND BEYOND THE ENDS OF THE CORRESPONDING WALL, MEANS SUPPORTING SAID BUCKSTAYS IN SPACED RELATIONSHIP TO SAID WALLS, SAID SUPPORTING MEANS INCLUDING MEANS TO PERMIT DIFFERENTIAL TRANSVERSE THERMAL EXPANSION BETWEEN SAID WALLS AND SAID BUCKSTAYS, ROD MEANS EXTENDING ADJACENT EACH OF SAID SECOND PAIR OF WALLS AND CONNECTED TO THE CORRESPONDING END PORTIONS OF THE BUCKSTAYS ADJACENT SAID FIRST PAIR OF WALLS AND ROD MEANS EXTENDING ADJACENT EACH OF SAID FIRST PAIR OF WALLS AND CONNECTED TO THE CORRESPONDING END PORTIONS OF THE BUCKSTAYS ADJACENT SAID SECOND PAIR OF WALLS, SAID ROD MEANS BEING SUPPORTED IN SLIDABLE RELATION ADJACENT SAID WALLS TO PERMIT DIFFERENTIAL THERMAL EXPANSION BETWEEN SAID WALLS AND SAID ROD MEANS.
Claim 2
Dependent Claim
172 words
A FURNACE FOR A STEAM GENERATOR OR THE LIKE COMPRISING A FIRST PAIR OF OPPOSITELY DISPOSED VERTICAL WALLS, A SECOND PAIR OF OPPOSITELY DISPOSED VERTICAL WALLS EXTENDING BETWEEN SAID FIRST PAIR OF WALLS AND JOINED THERETO TO DEFINE A CHAMBER FOR HOT GASES, BUCKSTAYS EXTENDING TRANSVERSELY ADJACENT EACH OF SAID WALLS, EACH OF SAID BUCKSTAYS HAVING END PORTIONS WHICH EXTEND BEYOND THE ENDS OF THE CORRESPONDING WALL, MEANS SUPPORTING SAID BUCKSTAYS IN SPACED RELATIONSHIP TO SAID WALLS, SAID SUPPORTING MEANS INCLUDING MEANS TO PERMIT DIFFERENTIAL TRANSVERSE THERMAL EXPANSION BETWEEN SAID WALLS AND SAID BUCKSTAYS, ROD MEANS EXTENDING ADJACENT EACH OF SAID SECOND PAIR OF WALLS AND CONNECTED TO THE CORRESPONDING END PORTIONS OF THE BUCKSTAYS ADJACENT SAID FIRST PAIR OF WALLS AND ROD MEANS EXTENDING ADJACENT EACH OF SAID FIRST PAIR OF WALLS AND CONNECTED TO THE CORRESPONDING END PORTIONS OF THE BUCKSTAYS ADJACENT SAID SECOND PAIR OF WALLS, SAID ROD MEANS BEING SUPPORTED IN SLIDABLE RELATION ADJACENT SAID WALLS TO PERMIT DIFFERENTIAL THERMAL EXPANSION BETWEEN SAID WALLS AND SAID ROD MEANS.
References Cited (Backward Citations)
US3007455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |