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US3223306A Expired / Lapsed US ⏱️ 0.0 years remaining

Carton with dual locking flaps

Assignee: Individual
•
Filing: 1964-04-20
•
Granted: 1965-12-14
•
Expires: 1984-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 Eugene M Alsman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 21:15
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D85/32; B65D85/324

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 241 words
A MOLDED PLUG EGG CARTON COMPRISING A BOTTOM SECTION HAVING EGG POCKETS TO RECEIVE THE LOWER PORTIONS OF EGGS, AN UPSTANDING LOCKING FLAP HINGE TO THE UPPER EDGE OF ONE SIDE OF SAID BOTTOM SECTION, SAID FLAP BEING MOLDED WITH A THICKENED UPPER EDGE HAVING A DOWNWARDLY FACING SHOULDER SURFACE FORMING A CATCH ABUTMENT EXTENDING ALONG THE OUTER SIDE OF SAID UPPER EDGE, A COVER HAVING SUFFICIENT DEPTH TO RECEIVE THE UPPER PORTIONS OF EGGS IN SAID POCKETS, A LOCKING FLAP HINGED TO THE LOWER EDGE OF SAID ONE SIDE OF SAID COVER AND ADJACENT TO BE FOLDED BACK IN UPSTANDING POSITION WITHIN THE COVER FOR ENGAGEMENT OF ITS UPPER EGDE UNDER SAID CATCH ABUTMENT WHEN THE COVER IS CLOSED ON THE BOTTOM SECTION, SAID LOWER EDGE OF THE COVER SEATING ON SAID UPPER EDGE OF THE BOTTOM SECTION WHEN THE COVER IS CLOSED WHEREBY THE HINGE LINES OF THE TWO FLAPS ARE ADJACENT TO EACH OTHER AND THE FLAPS EXTEND PARALLEL TO EACH OTHER IN FACE TO FACE RELATION, SAID LAST FLAP AND COVER HAVING REGISTERING OPENINGS ADADJACENT THE HINGE OF THE LAST FLAP TO ADMIT AN OPERATOR''S FINGER BETWEEN THE FLAPS FOR DISENGAGING THE FLAPS FROM EACH OTHER TO UNLOCK THE COVER, SAID FIRST FLAP HAVING A RECESS BEHIND SAID REGISTERING OPENINGS TO GUIDE THE OPERATOR''S FINGER UPWARDLY BETWEEN SAID FLAPS, AND MEANS FOR SECURING THE OPPOSITE SIDE OF THE COVER TO THE OPPOSITE SIDE OF THE BOTTOM SECTION.
Claim 2
Dependent Claim 241 words
A MOLDED PLUG EGG CARTON COMPRISING A BOTTOM SECTION HAVING EGG POCKETS TO RECEIVE THE LOWER PORTIONS OF EGGS, AN UPSTANDING LOCKING FLAP HINGE TO THE UPPER EDGE OF ONE SIDE OF SAID BOTTOM SECTION, SAID FLAP BEING MOLDED WITH A THICKENED UPPER EDGE HAVING A DOWNWARDLY FACING SHOULDER SURFACE FORMING A CATCH ABUTMENT EXTENDING ALONG THE OUTER SIDE OF SAID UPPER EDGE, A COVER HAVING SUFFICIENT DEPTH TO RECEIVE THE UPPER PORTIONS OF EGGS IN SAID POCKETS, A LOCKING FLAP HINGED TO THE LOWER EDGE OF SAID ONE SIDE OF SAID COVER AND ADJACENT TO BE FOLDED BACK IN UPSTANDING POSITION WITHIN THE COVER FOR ENGAGEMENT OF ITS UPPER EGDE UNDER SAID CATCH ABUTMENT WHEN THE COVER IS CLOSED ON THE BOTTOM SECTION, SAID LOWER EDGE OF THE COVER SEATING ON SAID UPPER EDGE OF THE BOTTOM SECTION WHEN THE COVER IS CLOSED WHEREBY THE HINGE LINES OF THE TWO FLAPS ARE ADJACENT TO EACH OTHER AND THE FLAPS EXTEND PARALLEL TO EACH OTHER IN FACE TO FACE RELATION, SAID LAST FLAP AND COVER HAVING REGISTERING OPENINGS ADADJACENT THE HINGE OF THE LAST FLAP TO ADMIT AN OPERATOR''S FINGER BETWEEN THE FLAPS FOR DISENGAGING THE FLAPS FROM EACH OTHER TO UNLOCK THE COVER, SAID FIRST FLAP HAVING A RECESS BEHIND SAID REGISTERING OPENINGS TO GUIDE THE OPERATOR''S FINGER UPWARDLY BETWEEN SAID FLAPS, AND MEANS FOR SECURING THE OPPOSITE SIDE OF THE COVER TO THE OPPOSITE SIDE OF THE BOTTOM SECTION.

References Cited (Backward Citations)

US1130271A Cited
US1846310A Cited
US2088603A Cited
US2777629A Cited
US2974842A Cited
US3100593A Cited
US3138314A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-13 1969-06-14 1969-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-13 1973-06-14 1973-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-13 1977-06-14 1977-12-14 $7700.00 Window Closed / Lapsed

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