Patent US3251533A successfully refreshed from Google Patents.
US3251533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Re-usable, collapsible containers
Assignee: Individual
•
Filing: 1964-08-20
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Granted: 1966-05-17
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Expires: 1984-08-20
Abstract
No abstract record available.
Inventors
- 👤 Harold J Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:07
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/32; B65D5/326; B65D5/36; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A REUSABLE, COLLAPSIBLE CONTAINER COMPRISING: A BODY MEMBER HAVING TWO FULL END PLATES AND TWO FULL SIDE PANELS, EACH SAID PANEL HAVING AN INWARDLY FOLDING FLANGE ALONG THE BOTTOM EDGE THEREOF AND COEXTENSIVE THEREWITH; A BOTTOM MEMBER PERMANENTLY ATTACHED TO THE INNER FOLDED SURFACE OF SAID FLANGES AND HAVING A LONGITUDINAL MEDIAN SOURCE LINE PERMITTING ONLY INWARD FOLDING; EACH SIDE PANEL REMAINING UNFOLDED; EACH END PANEL HAVING A VERTICAL MEDIAN SCORE LINE AND A DIAGONAL SCORE LINE RUNNING FROM EACH BOTTOM CORNER TO A COMMON POINT OF THE VERTICAL SCORE LINE, SAID SCORE LINES BEING ADAPTED FOR INWARD FOLDING ALONG THE DIAGONALS AND OUTWARD FOLDING ALONG THE VERTICAL LINE ABOVE THE DIAGONALS.
Claim 2
Dependent Claim
112 words
A REUSABLE, COLLAPSIBLE CONTAINER COMPRISING: A BODY MEMBER HAVING TWO FULL END PLATES AND TWO FULL SIDE PANELS, EACH SAID PANEL HAVING AN INWARDLY FOLDING FLANGE ALONG THE BOTTOM EDGE THEREOF AND COEXTENSIVE THEREWITH; A BOTTOM MEMBER PERMANENTLY ATTACHED TO THE INNER FOLDED SURFACE OF SAID FLANGES AND HAVING A LONGITUDINAL MEDIAN SOURCE LINE PERMITTING ONLY INWARD FOLDING; EACH SIDE PANEL REMAINING UNFOLDED; EACH END PANEL HAVING A VERTICAL MEDIAN SCORE LINE AND A DIAGONAL SCORE LINE RUNNING FROM EACH BOTTOM CORNER TO A COMMON POINT OF THE VERTICAL SCORE LINE, SAID SCORE LINES BEING ADAPTED FOR INWARD FOLDING ALONG THE DIAGONALS AND OUTWARD FOLDING ALONG THE VERTICAL LINE ABOVE THE DIAGONALS.
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |