US3306522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-layer cross-bottom bag
Assignee: Erwin Behn Verpackungsbedarf GmbH
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Filing: 1966-03-10
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Granted: 1967-02-28
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Expires: 1986-03-10
Abstract
No abstract record available.
Inventors
- 👤 Honsel Karl-Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:07
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
MULTI-LAYER CROSS-BOTTOM BAG OF PAPER OR THE LIKE COMPRISING AT LEAST AN INNER AND AN OUTER TUBULAR LAYER, EACH HAVING BOTTOM SIDE FOLDS TURNED INWARDLY TOWARDS ONE ANOTHER AND CORNER FLAPS FORMED IN EACH TUBULAR LAYER PROXIMATE THE ENDS OF SAID SIDE FOLDS BY LONGITUDINAL INCISIONS AND ADAPTED TO BE GLUED ONTO THE ASSOCIATED INWARDLY TURNED SIDE FOLDS, THE LAYERS OF SAID CORNER FLAPS FORMED BY SAID LONGITUDINAL INCISIONS BEING ARRANGED IN POSITIVELY STAGGERED FASHION FROM THE INSIDE LAYER TOWARD THE OUTSIDE LAYER.
Claim 2
Dependent Claim
83 words
MULTI-LAYER CROSS-BOTTOM BAG OF PAPER OR THE LIKE COMPRISING AT LEAST AN INNER AND AN OUTER TUBULAR LAYER, EACH HAVING BOTTOM SIDE FOLDS TURNED INWARDLY TOWARDS ONE ANOTHER AND CORNER FLAPS FORMED IN EACH TUBULAR LAYER PROXIMATE THE ENDS OF SAID SIDE FOLDS BY LONGITUDINAL INCISIONS AND ADAPTED TO BE GLUED ONTO THE ASSOCIATED INWARDLY TURNED SIDE FOLDS, THE LAYERS OF SAID CORNER FLAPS FORMED BY SAID LONGITUDINAL INCISIONS BEING ARRANGED IN POSITIVELY STAGGERED FASHION FROM THE INSIDE LAYER TOWARD THE OUTSIDE LAYER.
References Cited (Backward Citations)
US2729150A
Cited
FR1147547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |