Patent US3612332A successfully refreshed from Google Patents.
US3612332A
Expired / Lapsed
US
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Insulated storage tank of increased capacity with suspended insulated ceiling
Assignee: Chicago Bridge and Iron Co
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Filing: 1969-10-10
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Granted: 1971-10-12
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Expires: 1989-10-10
Abstract
Abstract An enclosed insulated tank having an external metal shell with a metal bottom, a metal wall and a sloped metal roof, an internal metal shell having a metal bottom and a metal wall, insulation between the internal and external bottoms and the internal and external walls, a metal canopy member fluid tightly secured to and extending from about an upper part of the inner wall inwardly and upwardly and terminating in spaced relationship from the roof, an insulated fixed-position ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Inventors
- 👤 Merwin Bailey Clapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:06
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/022; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0119; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/015; F17C2203/03; F17C2203/0304; F17C2203/0329; F17C2203/0333; F17C2203/0337; F17C2203/0345; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/03; F17C2260/031; F17C2260/033; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
120 words
An insulated tank comprising: a metal shell having an insulated metal bottom, an insulated metal sidewall and a metal roof which slopes upwardly and inwardly from adjacent the top of said sidewall and forms a downwardly opening cavity within said roof above the top of said sidewall, a metal canopy member fluid tightly secured to and extending inwardly and upwardly from the upper peripheral part of the sidewall generally paralleling said shell metal roof and terminating within said cavity in spaced relationship below the roof, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 2
Dependent Claim
120 words
An insulated tank comprising: a metal shell having an insulated metal bottom, an insulated metal sidewall and a metal roof which slopes upwardly and inwardly from adjacent the top of said sidewall and forms a downwardly opening cavity within said roof above the top of said sidewall, a metal canopy member fluid tightly secured to and extending inwardly and upwardly from the upper peripheral part of the sidewall generally paralleling said shell metal roof and terminating within said cavity in spaced relationship below the roof, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 3
Dependent Claim
21 words
An insulated tank according to claim 1 in which the vertical radial cross section of the metal canopy member is straight.
Claim 4
Dependent Claim
21 words
An insulated tank according to claim 1 in which the vertical radial cross section of the metal canopy member is arced.
Claim 5
Dependent Claim
18 words
An insulated tank according to claim 1 in which the bottom is circular and the sidewall is cylindrical.
Claim 6
Dependent Claim
15 words
An insulated tank according to claim 4 in which the metal canopy member is frustoconical.
Claim 7
Dependent Claim
151 words
An enclosed tank comprising: an external metal shell having a metal bottom, a metal sidewall and a metal roof which slopes upwardly and inwardly from the top edge of said sidewall and forms a downwardly opening cavity within said roof above the top of said sidewall, an internal metal shell having a metal bottom and a metal sidewall spaced respectively from said external shell bottom and sidewall, insulation between the bottoms and the sidewalls of said external and internal shells. a metal canopy member fluid tightly secured to and extending inwardly and upwardly from the upper peripheral part of the sidewall of the inner shell and terminating within said cavity in spaced relationship below the roof, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 8
Dependent Claim
151 words
An enclosed tank comprising: an external metal shell having a metal bottom, a metal sidewall and a metal roof which slopes upwardly and inwardly from the top edge of said sidewall and forms a downwardly opening cavity within said roof above the top of said sidewall, an internal metal shell having a metal bottom and a metal sidewall spaced respectively from said external shell bottom and sidewall, insulation between the bottoms and the sidewalls of said external and internal shells. a metal canopy member fluid tightly secured to and extending inwardly and upwardly from the upper peripheral part of the sidewall of the inner shell and terminating within said cavity in spaced relationship below the roof, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 9
Dependent Claim
21 words
An enclosed tank according to claim 6 in which the vertical radial cross section of the metal canopy member is straight.
Claim 10
Dependent Claim
21 words
An enclosed tank according to claim 6 in which the vertical radial cross section of the metal canopy member is arced.
Claim 11
Dependent Claim
18 words
An enclosed tank according to claim 6 in which the bottoms are circular and the sidewalls are cylindrical.
Claim 12
Dependent Claim
15 words
An enclosed tank according to claim 9 in which the metal canopy member is frustoconical.
Claim 13
Dependent Claim
176 words
An insulated tank comprising: a metal shell having an insulated metal bottom, an insulated metal sidewall and a metal roof which slopes upwardly and inwardly from adjacent the top of said sidewall, an open top liquid impervious vessel disposEd within said metal shell and having a bottom and a sidewall, said vessel bottom being spaced above said shell metal bottom and said vessel sidewall being spaced radially inwardly from said shell metal sidewall, a metal canopy member extending inwardly and upwardly from the upper peripheral part of the vessel sidewall and terminating in spaced relationship below the roof, the metal canopy member having a substantially horizontal annular element fluid tightly joined to the vessel wall about its upper part and a substantially cylindrical vertical element fluid tightly joined to, and extending upward from the inner edge of the horizontal annular element, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 14
Dependent Claim
176 words
An insulated tank comprising: a metal shell having an insulated metal bottom, an insulated metal sidewall and a metal roof which slopes upwardly and inwardly from adjacent the top of said sidewall, an open top liquid impervious vessel disposEd within said metal shell and having a bottom and a sidewall, said vessel bottom being spaced above said shell metal bottom and said vessel sidewall being spaced radially inwardly from said shell metal sidewall, a metal canopy member extending inwardly and upwardly from the upper peripheral part of the vessel sidewall and terminating in spaced relationship below the roof, the metal canopy member having a substantially horizontal annular element fluid tightly joined to the vessel wall about its upper part and a substantially cylindrical vertical element fluid tightly joined to, and extending upward from the inner edge of the horizontal annular element, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 15
Dependent Claim
175 words
An insulated tank comprising: a metal shell having an insulated circular metal bottom, an insulated metal cylindrical sidewall and a metal roof which slopes upwardly and inwardly from adjacent the top of said sidewall, an open top liquid impervious vessel disposed within said metal shell and having a bottom and a sidewall, said vessel bottom being spaced above said shell metal bottom and said vessel sidewall being spaced radially inwardly from said shell metal sidewall, a metal canopy member extending inwardly and upwardly from the upper peripheral part of the vessel sidewall and terminating in spaced relationship below the roof, the metal canopy member having a horizontal annular element fluid tightly joined to the top portion of the vessel sidewall and a vertical cylindrical element fluid tightly joined to the inner edge of the annular element and extending upwardly therefrom, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 16
Dependent Claim
175 words
An insulated tank comprising: a metal shell having an insulated circular metal bottom, an insulated metal cylindrical sidewall and a metal roof which slopes upwardly and inwardly from adjacent the top of said sidewall, an open top liquid impervious vessel disposed within said metal shell and having a bottom and a sidewall, said vessel bottom being spaced above said shell metal bottom and said vessel sidewall being spaced radially inwardly from said shell metal sidewall, a metal canopy member extending inwardly and upwardly from the upper peripheral part of the vessel sidewall and terminating in spaced relationship below the roof, the metal canopy member having a horizontal annular element fluid tightly joined to the top portion of the vessel sidewall and a vertical cylindrical element fluid tightly joined to the inner edge of the annular element and extending upwardly therefrom, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 17
Dependent Claim
170 words
An enclosed tank comprising: an external metal shell having a metal bottom, a metal sidewall and a metal roof which slopes upwardly and inwardly from the top edge of said sidewall, an internal metal shell having a metal bottom and a metal sidewall spaced respectively from said external shell bottom and sidewall, insulation between the bottoms and sidewalls of said external and internal shells, a metal canopy member extending inwardly and upwardly from the upper peripheral part of the sidewall of the inner shell and terminating in spaced relationship below the roof. the metal canopy member having a substantially horizontal annular element fluid tightly joined to the inner shell sidewall about its upper part and a substantially cylindrical vertical element fluid tightly joined to, and extending upward from the inner edge of the horizontal element, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 18
Dependent Claim
170 words
An enclosed tank comprising: an external metal shell having a metal bottom, a metal sidewall and a metal roof which slopes upwardly and inwardly from the top edge of said sidewall, an internal metal shell having a metal bottom and a metal sidewall spaced respectively from said external shell bottom and sidewall, insulation between the bottoms and sidewalls of said external and internal shells, a metal canopy member extending inwardly and upwardly from the upper peripheral part of the sidewall of the inner shell and terminating in spaced relationship below the roof. the metal canopy member having a substantially horizontal annular element fluid tightly joined to the inner shell sidewall about its upper part and a substantially cylindrical vertical element fluid tightly joined to, and extending upward from the inner edge of the horizontal element, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 19
Dependent Claim
178 words
An enclosed tank comprising: an external metal shell having a circular metal bottom, a metal cylindrical sidewall and a metal roof which slopes upwardly and inwardly from the top edge of said sidewall, an internal metal shell having a circular metal bottom and a metal bottom and a cylindrical sidewall spaced respectively from said external shell bottom and sidewall, insulation between the bottoms and the sidewalls of said external and internal shells, a metal canopy member extending inwardly and upwardly from the upper peripheral part of the sidewall of the inner shell and terminating in spaced relationship below the roof, the metal canopy member having a horizontal annular element fluid tightly joined to the top portion of the sidewall of the internal shell and a vertical cylindrical element fluid tightly joined to the inner Edge of the annular element and extending upwardly therefrom, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
Claim 20
Dependent Claim
178 words
An enclosed tank comprising: an external metal shell having a circular metal bottom, a metal cylindrical sidewall and a metal roof which slopes upwardly and inwardly from the top edge of said sidewall, an internal metal shell having a circular metal bottom and a metal bottom and a cylindrical sidewall spaced respectively from said external shell bottom and sidewall, insulation between the bottoms and the sidewalls of said external and internal shells, a metal canopy member extending inwardly and upwardly from the upper peripheral part of the sidewall of the inner shell and terminating in spaced relationship below the roof, the metal canopy member having a horizontal annular element fluid tightly joined to the top portion of the sidewall of the internal shell and a vertical cylindrical element fluid tightly joined to the inner Edge of the annular element and extending upwardly therefrom, an insulated ceiling suspended from the inside of the roof having its periphery adjacent to, and conforming with, the internal peripheral terminus of the metal canopy, and insulation between the canopy member and the roof.
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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) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |