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US4101022A Expired / Lapsed US ⏱️ 0.0 years remaining

Recessed end container

Assignee: Inland Container Corp
•
Filing: 1977-03-28
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Granted: 1978-07-18
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Expires: 1997-03-28
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Abstract

Abstract A recessed end container is disclosed which has self-locking end flaps foldable a preselected distance into the container and closing the container at the interior location. Certain of the flaps include opening means which interlock with tabs on other of the flaps to secure the flaps together in the folded recessed position.

Inventors

  • 👤 Caesar E. Watkins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:25
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0245

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 356 words
A package which includes an article disposed within a recessed end container, said container including top, bottom and side walls joined to form a generally rectangular tubular compartment wherein said article is contained and closure means at each end of said compartment, said closure means at one end of said compartment including top, bottom and side flaps hinged respectively to said top, bottom and side walls, wherein the improvement comprises one of said top and bottom flaps having a first minor panel which extends into said compartment and which is hinged to a major panel that extends between said top and bottom walls at a location spaced interiorly of the end edge of said compartment, said major panel being hinged in turn to a second minor panel that extends to said end edge, said one flap also having slotted opening means in each of said minor panels adjacent the hinge lines with said major panel and slit means in said major panel, said side flaps each having a minor panel which is folded into said compartment, a major panel lying adjacent said one flap at said interior location and extending toward the opposite side wall and lock tabs on the upper and lower edges of said side flaps which are received in said slotted openings in said one flap to hold said side flaps in the folded position, the other of said top and bottom flaps having a minor panel which is folded into said compartment over said second minor panel and a major panel which lies adjacent said side flap major panels and extends between said top and bottom walls, thereby sandwiching said side flaps between said one flap and said other flap, said other flap major panel having fold tab means and having a lock tab formed at its end edge, said lock tab being received in said slotted opening means in said first minor panel of said one flap and said fold tab means extending past said side flaps and being received in said slit means in said major panel of said one flap to thereby hold said four flaps in closed position.
Claim 2
Dependent Claim 356 words
A package which includes an article disposed within a recessed end container, said container including top, bottom and side walls joined to form a generally rectangular tubular compartment wherein said article is contained and closure means at each end of said compartment, said closure means at one end of said compartment including top, bottom and side flaps hinged respectively to said top, bottom and side walls, wherein the improvement comprises one of said top and bottom flaps having a first minor panel which extends into said compartment and which is hinged to a major panel that extends between said top and bottom walls at a location spaced interiorly of the end edge of said compartment, said major panel being hinged in turn to a second minor panel that extends to said end edge, said one flap also having slotted opening means in each of said minor panels adjacent the hinge lines with said major panel and slit means in said major panel, said side flaps each having a minor panel which is folded into said compartment, a major panel lying adjacent said one flap at said interior location and extending toward the opposite side wall and lock tabs on the upper and lower edges of said side flaps which are received in said slotted openings in said one flap to hold said side flaps in the folded position, the other of said top and bottom flaps having a minor panel which is folded into said compartment over said second minor panel and a major panel which lies adjacent said side flap major panels and extends between said top and bottom walls, thereby sandwiching said side flaps between said one flap and said other flap, said other flap major panel having fold tab means and having a lock tab formed at its end edge, said lock tab being received in said slotted opening means in said first minor panel of said one flap and said fold tab means extending past said side flaps and being received in said slit means in said major panel of said one flap to thereby hold said four flaps in closed position.
Claim 3
Dependent Claim 29 words
A package in accordance with claim 1 wherein said fold tab means are hinged to said end edge of said other flap in flanking relationship to said lock tab.

References Cited (Backward Citations)

US2306328A Cited
US2779527A Cited
US3061168A Cited
US3578154A Cited
US3866745A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-07-17 1982-01-16 1982-07-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-07-17 1986-01-16 1986-07-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-07-17 1990-01-16 1990-07-18 $7700.00 Window Closed / Lapsed

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