US3602400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containers for material in bulk
Assignee: PRESSOTURN Ltd
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Filing: 1968-12-19
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Granted: 1971-08-31
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Expires: 1988-12-19
Abstract
Abstract A container for materials in bulk, comprising a vessel formed at its lower end with a hopper tapering to a discharge outlet, and a supporting framework detachably secured thereto and providing a seat which vertically and laterally locates the vessel, the framework having a lower portion engageable with the ground.
Inventors
- 👤 Arthur H Cooke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:47
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/02; B65D88/12; B65D88/128; B65D88/26; B65D2588/00; B65D2588/02; B65D2588/12; B65D2588/125
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
115 words
A container for materials in bulk, said container comprising a vessel having a body portion of rectangular boxlike form with the lower end thereof tapering to form a four-sided pyramidal hopper serving as a discharge outlet, and a supporting framework detachably secured to the vessel, said framework comprising an upper portion having inclined flanges engaging the hopper and upright flanges surrounding the lower end of the body portion of the vessel, and a lower portion comprising horizontal framework members with at least four ground-engaging feet depending therefrom, said feet providing clearance between the ground and the horizontal members of the framework for insertion of a forklift to engage the horizontal members and lift the container.
Claim 2
Dependent Claim
115 words
A container for materials in bulk, said container comprising a vessel having a body portion of rectangular boxlike form with the lower end thereof tapering to form a four-sided pyramidal hopper serving as a discharge outlet, and a supporting framework detachably secured to the vessel, said framework comprising an upper portion having inclined flanges engaging the hopper and upright flanges surrounding the lower end of the body portion of the vessel, and a lower portion comprising horizontal framework members with at least four ground-engaging feet depending therefrom, said feet providing clearance between the ground and the horizontal members of the framework for insertion of a forklift to engage the horizontal members and lift the container.
Claim 3
Dependent Claim
66 words
A container according to claim 1, further comprising vertical support members extending between the horizontal members and said upper portion of the framework, integral outwardly extending vertical flanges on the hopper, and anchorages fixed on the vertical support members and detachably secured to said flanges, said anchorages and flanges being disposed wholly within the confines of the framework so as to be thereby protected from damage.
Claim 4
Dependent Claim
28 words
A container according to claim 2, further comprising recesses in the top of the vessel at its corners corresponding to the four feet, whereby the container is stackable.
Claim 5
Dependent Claim
108 words
A container for materials in bulk, said container comprising a vessel with a body portion and at the lower end of the body portion a hopper tapering to a discharge Outlet, and a supporting framework detachably secured to the vessel, said framework including an upper portion detachably engaging around the hopper adjacent the junction thereof with the body portion and providing a seat which vertically and laterally locates the vessel and a lower portion engageable with the ground to support the container thereon, the upper end of the vessel having means for detachably securing the vessel to the framework on reversal of the vessel relative to the framework.
Claim 6
Dependent Claim
108 words
A container for materials in bulk, said container comprising a vessel with a body portion and at the lower end of the body portion a hopper tapering to a discharge Outlet, and a supporting framework detachably secured to the vessel, said framework including an upper portion detachably engaging around the hopper adjacent the junction thereof with the body portion and providing a seat which vertically and laterally locates the vessel and a lower portion engageable with the ground to support the container thereon, the upper end of the vessel having means for detachably securing the vessel to the framework on reversal of the vessel relative to the framework.
Claim 7
Dependent Claim
15 words
A container according to claim 4, wherein the vessel has a hopper at each end.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-30 | 1975-03-01 | 1975-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-30 | 1979-03-01 | 1979-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-30 | 1983-03-01 | 1983-08-31 | $7700.00 | Window Closed / Lapsed |