Patent US3374929A successfully refreshed from Google Patents.
US3374929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulk containers
Assignee: IBC Transport Containers Ltd
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Filing: 1966-09-23
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Granted: 1968-03-26
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Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 Silfverskiold Lennart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:13
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/16; B65D88/1612; B65D88/1618
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A BULK CONTAINER THE COMBINATION OF AN ELONGATED TUBULAR FABRIC CONTAINER BODY, A FUNNEL SHAPED FLEXIBLE CONTAINER BOTTOM EXTENDING FROM THE LOWER END OF THE CONTAINED BODY, HAVING A CLOSABLE LOWER END OPENING AND BEING FOLDABLE INTO A SUBSTANTIALLY FLAT POSITION, WHEN THE CONTAINER IS EMPTY, A BAND ENCIRCLING AND SECURED TO THE LOWER END OF THE BODY, HAVING ITS LOWER EDGE ADJACENT THE JOINTURE OF THE BODY AND THE FUNNEL SHAPED CONTAINER BOTTOM AND BEING SUFFICIENTLY RIGID TO RETAIN THE TUBULAR CONTAINER BODY EXPANDED SUBSTANTIALLY TO ITS FULL CIRCUMFERENCE, AND AN ADDITIONAL BOTTOM CLOSURE FOR THE ENCIRCLING BAND COMPRISING A FABRIC SKIRT EXTERIOR OF THE CONTAINER BOTTOM AND HAVING ITS UPPER EDGE SECURED TO THE LOWER EDGE OF THE BAND AND EXTENDING DOWNWARDLY THEREFROM WITH ITS LOWER EDGE FREE, THE SKIRT HAVING A LENGTH APPROXIMATING THE RADIUS OF THE BAND AND SECURING MEANS ASSOCIATED WITH THE FREE EDGE OF THE SKIRT FOR RELEASABLY SECURING THE SKIRT IN SUBSTANTIALLY FLAT POSITION UNDER THE CONTAINER BOTTOM, WHEN THE LATTER IS IN A FOLDED IN, SUBSTANTIALLY FLAT POSITION.
Claim 2
Dependent Claim
177 words
IN A BULK CONTAINER THE COMBINATION OF AN ELONGATED TUBULAR FABRIC CONTAINER BODY, A FUNNEL SHAPED FLEXIBLE CONTAINER BOTTOM EXTENDING FROM THE LOWER END OF THE CONTAINED BODY, HAVING A CLOSABLE LOWER END OPENING AND BEING FOLDABLE INTO A SUBSTANTIALLY FLAT POSITION, WHEN THE CONTAINER IS EMPTY, A BAND ENCIRCLING AND SECURED TO THE LOWER END OF THE BODY, HAVING ITS LOWER EDGE ADJACENT THE JOINTURE OF THE BODY AND THE FUNNEL SHAPED CONTAINER BOTTOM AND BEING SUFFICIENTLY RIGID TO RETAIN THE TUBULAR CONTAINER BODY EXPANDED SUBSTANTIALLY TO ITS FULL CIRCUMFERENCE, AND AN ADDITIONAL BOTTOM CLOSURE FOR THE ENCIRCLING BAND COMPRISING A FABRIC SKIRT EXTERIOR OF THE CONTAINER BOTTOM AND HAVING ITS UPPER EDGE SECURED TO THE LOWER EDGE OF THE BAND AND EXTENDING DOWNWARDLY THEREFROM WITH ITS LOWER EDGE FREE, THE SKIRT HAVING A LENGTH APPROXIMATING THE RADIUS OF THE BAND AND SECURING MEANS ASSOCIATED WITH THE FREE EDGE OF THE SKIRT FOR RELEASABLY SECURING THE SKIRT IN SUBSTANTIALLY FLAT POSITION UNDER THE CONTAINER BOTTOM, WHEN THE LATTER IS IN A FOLDED IN, SUBSTANTIALLY FLAT POSITION.
References Cited (Backward Citations)
FR1185581A
Cited
US3131832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |