Patent US3823866A successfully refreshed from Google Patents.
US3823866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tear strip arrangement for containers
Assignee: Fibreboard Corp
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Filing: 1972-08-14
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Granted: 1974-07-16
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Expires: 1992-08-14
Abstract
Abstract A shipping container comprises upstanding sidewalls secured together by a manufacturer''s glue flap and a removable tear strip formed around the container by parallel tear lines which extend completely through the sidewalls and the glue flap. A vertically disposed slot is formed at the corner whereat the glue flap is secured to a sidewall to permit the tear strip to be grasped and removed from the erected container in either direction.
Inventors
- 👤 J Elward
- 👤 S Inglis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:02
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/54; B65D5/5445
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
111 words
A container comprising four vertically disposed and consecutive sidewalls, horizontally disposed top and bottom closure flaps connected to at least some of said sidewalls, a vertically disposed flap integrally connected to an edge of a first one of said sidewalls and secured to an adjacent second sidewall at a common corner thereof, a continuous tear strip, defined by vertically spaced tear lines, extending through each of said sidewalls and said flap, and means forming a vertically disposed elongated slot through said tear strip and through said flap at said corner whereby said container may be separated by either tearing said tear strip in the direction of said first or second sidewall.
Claim 2
Dependent Claim
111 words
A container comprising four vertically disposed and consecutive sidewalls, horizontally disposed top and bottom closure flaps connected to at least some of said sidewalls, a vertically disposed flap integrally connected to an edge of a first one of said sidewalls and secured to an adjacent second sidewall at a common corner thereof, a continuous tear strip, defined by vertically spaced tear lines, extending through each of said sidewalls and said flap, and means forming a vertically disposed elongated slot through said tear strip and through said flap at said corner whereby said container may be separated by either tearing said tear strip in the direction of said first or second sidewall.
Claim 3
Dependent Claim
31 words
The invention of claim 1 wherein said slot is at least substantially formed through said flap and is at least generally centrally disposed thereon between said top and bottom closure flaps.
Claim 4
Dependent Claim
24 words
The invention of claim 2 wherein said slot has a vertical length which is at least one-third of the vertical height of said sidewalls.
Claim 5
Dependent Claim
20 words
The invention of claim 1 wherein each end of said slot terminates at a respective one of said tear lines.
Claim 6
Dependent Claim
30 words
The invention of claim 1 further comprising a tab connected to each end of said flap and secured to inner surface portions of a respective top or bottom closure flap.
Claim 7
Dependent Claim
73 words
A container blank comprising four consecutive sidewalls hingedly connected together at common vertical scorelines, a flap hingedly connected to an edge of a first one of said sidewalls, a horizontally disposed continuous tear strip, defined by spaced tear lines, extending through each of said sidewalls and said flap, and means forming a vertically disposed, elongated slot through said flap and positioned between said tear lines, adjacent to the edge of said one sidewall.
Claim 8
Dependent Claim
73 words
A container blank comprising four consecutive sidewalls hingedly connected together at common vertical scorelines, a flap hingedly connected to an edge of a first one of said sidewalls, a horizontally disposed continuous tear strip, defined by spaced tear lines, extending through each of said sidewalls and said flap, and means forming a vertically disposed, elongated slot through said flap and positioned between said tear lines, adjacent to the edge of said one sidewall.
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) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |