Patent US1409155A successfully refreshed from Google Patents.
Patent US4124158A successfully refreshed from Google Patents.
US4124158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partition arrangement
Assignee: Smurfit Kappa Packaging Corp
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Filing: 1978-01-16
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Granted: 1978-11-07
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Expires: 1998-01-16
Abstract
Abstract An internal partition formed from a paperboard blank adapted to nest with a similar blank on a rectangular sheet of paperboard.
Inventors
- 👤 Robert E. Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:56
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/48; B65D5/48024; B65D5/48026; B65D5/48028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
An internal vertical partition structure open at its top and bottom and formed of a unitary blank of foldable paperboard comprising: (a) a pair of first and second longitudinal panels of substantially similar size spaced from each other in parallel relationship; (b) an end panel foldably joined at opposite side edges to corresponding end edges of respective longitudinal panels and extending transversely therebetween; (c) a connecting panel foldably joined at its upper edge to an upper edge of said second longitudinal panel and folded to lie against a portion of the inner surface thereof; (d) said connecting panel being of the same height as but of substantially less length than said second longitudinal panel; (e) a transverse panel foldably joined along one side edge to an adjacent inboard side edge of said connecting panel and being disposed to extend normal to said longitudinal panels and beyond said first longitudinal panel; (f) said transverse panel and said first longitudinal panel having complementary slots to provide interlocking engagement therebetween.
Claim 2
Dependent Claim
167 words
An internal vertical partition structure open at its top and bottom and formed of a unitary blank of foldable paperboard comprising: (a) a pair of first and second longitudinal panels of substantially similar size spaced from each other in parallel relationship; (b) an end panel foldably joined at opposite side edges to corresponding end edges of respective longitudinal panels and extending transversely therebetween; (c) a connecting panel foldably joined at its upper edge to an upper edge of said second longitudinal panel and folded to lie against a portion of the inner surface thereof; (d) said connecting panel being of the same height as but of substantially less length than said second longitudinal panel; (e) a transverse panel foldably joined along one side edge to an adjacent inboard side edge of said connecting panel and being disposed to extend normal to said longitudinal panels and beyond said first longitudinal panel; (f) said transverse panel and said first longitudinal panel having complementary slots to provide interlocking engagement therebetween.
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) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |