US3926321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking aid
Assignee: Individual
•
Filing: 1973-05-18
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Granted: 1975-12-16
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Expires: 1993-05-18
Abstract
Abstract A stacking aid for cylindrical containers comprised of a substantially rectangular framework having spaced openings therein adapted to receive a small arcuate portion of a cylindrical container so as to prevent movement of the container relative to the framework.
Inventors
- 👤 Lionel F Trebilcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:40
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/70; B65D85/00; B65D85/62
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
160 words
A support for stacking cylindrical containers laying on their sides comprised of a framework having a top surface identical to the bottom surface, said framework comprising sidewalls and endwalls, a first plurality of ribs extending between said sidewalls, a second plurality of ribs extending between said endwalls forming openings therebetween, said endwalls, sidewalls, and ribs being molded as an integral unit from a plastic material and having rectangular cross sections with the long axis thereof extending perpendicular to the top and bottom surfaces, and means adjacent each corner defining a rectangular opening substantially larger than the openings between said ribs adapted to receive a portion of the sidewall of a container to maintain the container stationary relative to the support, locking means adjacent each corner thereof for locking a plurality of said supports together when stacked one on top of the other, and said locking means comprises a series of immovable posts and bores alternately positioned around the framework corners.
Claim 2
Dependent Claim
160 words
A support for stacking cylindrical containers laying on their sides comprised of a framework having a top surface identical to the bottom surface, said framework comprising sidewalls and endwalls, a first plurality of ribs extending between said sidewalls, a second plurality of ribs extending between said endwalls forming openings therebetween, said endwalls, sidewalls, and ribs being molded as an integral unit from a plastic material and having rectangular cross sections with the long axis thereof extending perpendicular to the top and bottom surfaces, and means adjacent each corner defining a rectangular opening substantially larger than the openings between said ribs adapted to receive a portion of the sidewall of a container to maintain the container stationary relative to the support, locking means adjacent each corner thereof for locking a plurality of said supports together when stacked one on top of the other, and said locking means comprises a series of immovable posts and bores alternately positioned around the framework corners.
Claim 3
Dependent Claim
15 words
A support as set forth in claim 1 wherein said plastic is polyethylene structural foam.
Claim 4
Dependent Claim
27 words
A support as set forth in claim 1 wherein said bores and posts are provided on both the upper surface and the lower surface of the framework.
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) | 1978-12-15 | 1979-06-16 | 1979-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-15 | 1983-06-16 | 1983-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-15 | 1987-06-16 | 1987-12-16 | $7700.00 | Window Closed / Lapsed |