US3889834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container construction
Assignee: McKesson Corp
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Filing: 1973-10-25
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Granted: 1975-06-17
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Expires: 1993-10-25
Abstract
Abstract A container suitable for storage and shipment of various materials (e.g., drinking water) and which can be made by molding methods (e.g., by molding plastic materials.) The construction is such that the containers can be stacked (e.g., on a pallet) in interlocking relationship without the use of supporting racks or crates.
Inventors
- 👤 Jr Robert M Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:29
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/0201; B65D21/0202
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
150 words
A container construction suitable for stacking comprising side walls and a bottom wall, the side walls being joined together and to the bottom wall along their edges to form a container that is generally rectangular in configuration as viewed in plan, the container also including upper wall means secured to the upper edges of the side walls and provided with an access opening; and locking means upon two opposite side walls of the container for locking the container to adjacent upper and lower like containers when stacked horizontally, the locking means on each wall comprising adjacent parallel ridge and valley portions formed integral with the material of the wall, said ridge portions interfitting with the valley portions of like containers to prevent shifting movement between two adjacent stacked containers the major portions of each of the side walls being in a common plane except for said ridge and valley portions.
Claim 2
Dependent Claim
150 words
A container construction suitable for stacking comprising side walls and a bottom wall, the side walls being joined together and to the bottom wall along their edges to form a container that is generally rectangular in configuration as viewed in plan, the container also including upper wall means secured to the upper edges of the side walls and provided with an access opening; and locking means upon two opposite side walls of the container for locking the container to adjacent upper and lower like containers when stacked horizontally, the locking means on each wall comprising adjacent parallel ridge and valley portions formed integral with the material of the wall, said ridge portions interfitting with the valley portions of like containers to prevent shifting movement between two adjacent stacked containers the major portions of each of the side walls being in a common plane except for said ridge and valley portions.
Claim 3
Dependent Claim
17 words
A container construction as in claim 1 in which the ridge portions merge with the valley portions.
Claim 4
Dependent Claim
33 words
A container construction as in claim 2 in which at least some of the ridge and valley portions extend parallel to the vertical edges of the side wall in which they are formed.
Claim 5
Dependent Claim
26 words
A container construction as in claim 3 in which some of the ridge and valley portions extend generally parallel to the bottom wall of the container.
Claim 6
Dependent Claim
43 words
A container construction as in claim 4 in which the ridge and valley portions are formed in generally U-shaped areas with the legs of such areas extending toward the center line of the wall in which the ridge and valley portions are formed.
Claim 7
Dependent Claim
32 words
A contaiNer construction as in claim 4 in which the ridge and valley portions are spaced from the vertical edges of the side walls and from the bottom wall of the container.
Claim 8
Dependent Claim
51 words
A container construction as in claim 4 in which a handhold portion is formed in a corner of the container at the junction between two side walls, said handhold being disposed to interrupt some of said ridge and valley portions that extend parallel to the vertical edges of the side walls.
Claim 9
Dependent Claim
21 words
A container construction as in claim 1 in which the material from which the container is made is a molded plastic.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-16 | 1978-12-16 | 1979-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-16 | 1982-12-16 | 1983-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-16 | 1986-12-16 | 1987-06-17 | $7700.00 | Window Closed / Lapsed |