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US3211323A Expired / Lapsed US ⏱️ 0.0 years remaining

Covered container with removable tear strip

Assignee: Clarcor Inc
•
Filing: 1962-06-11
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Granted: 1965-10-12
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Expires: 1982-06-11
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Abstract

No abstract record available.

Inventors

  • 👤 John A Foster

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:05
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0235; B65D43/0285; B65D43/0287; B65D43/0291; B65D2401/00; B65D2401/15; B65D2401/25; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00277; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00527; B65D2543/00537; B65D2543/00953; B65D2543/00962; B65D2543/00972

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 308 words
A SEALED CONTAINER COMPRISING A CUP HAVING A ROUNDED LIP AND AN ADJACENT PERIPHERAL BEAD WHOSE SURFACE CURVES OUTWARDLY AND DOWNWARDLY TO A PLANE OF MAXIMUM DIAMETER AND THEN CONTINUES DOWNWARDLY AND INWARDLY FIRST GRADUALLY AND THEN MORE SHARPLY TO FORM A DOWNWARDLY AND INWARDLY INCLINED LEDGE, A COVER OF SEMIRESILIENT MATERIAL HAVING A TOP WALL AND A DEPENDING PERIPHERAL SKIRT TELESCOPED OVER AND INTERLOCKED WITH A SNAP ACTION WITH SAID BEAD, A GASKET OF COMPRESSIBLE MATERIAL EXTENDING AROUND THE UNDERSIDE OF SAID TOP WALL WITHIN AND ADJACENT SAID SKIRT AND DEFORMED AND COMPRESSED AGAINST SAID CUP LIP, SAID SKIRT CONVERGING GRADUALLY AND CONTINUOUSLY TOWARD AND AROUND THE UPPER PORTION OF SAID BEAD PAST SAID PLANE AND THAN CURVING INWARDLY BENEATH AND AGAINST SAID LEDGE SO AS TOP MAINTAINED IN CONTACT THEREWITH UNDER THE COMPRESSION OF SAID GASKET AT A LINE OF CONTACT SPACED BELOW SAID PLANE A DISTANCE SUBSTANTIALLY GREATER THAN THE COMPRESSION OF THE GASKET MEANS PROVIDING A SCORE LINE AROUND SAID SKIRT ADJACENT SAID LINE OF CONTACT, A SPLIT IN SAID SKIRT EXTENDING TRANSVERSELY THEREOF INWARDLY AND UPWARDLY FROM THE EDGE THEREOF AND INTERSECTING SAID SCORE LINE, AND A FINGER TAB INTEGRAL WITH SAID SKIRT PROJECTING FROM THE EDGE THEREOF WITH ONE EDGE OF THE TAB MERGING WITH ONE SIDE OF SAID SPLIT WHEREBY TO PERMIT THE LOWER MARGINAL STRIP OF SAID SKIRT TO BE PULLED AND TORN AWAY FROM SAID COVER AND SAID BEAD ALONG SAID SCORE LINE, SAID SCORE LINE BEING SUBSTANTIALLY SMALLER IN DIAMETER THAN SAID MAXIMUM BEAD DIAMETER WHEREBY TO LEAVE ON THE SKIRT AFTER TEARING OFF SAID STRIP AN INTURNED EDGE ADAPTED, UPON REPLACEMENT OF THE COVER ON THE CUP TO TELESCOPE DOWN OVER SAID BEAD AND CONTACT BENEATH SAID LEDGE WITH A RETAINING GIT EFFECTUALLY HOLDING THE COVER ON THE CUP WITH SAID GASKET IN CONTACT WITH SAID LIP.
Claim 2
Dependent Claim 308 words
A SEALED CONTAINER COMPRISING A CUP HAVING A ROUNDED LIP AND AN ADJACENT PERIPHERAL BEAD WHOSE SURFACE CURVES OUTWARDLY AND DOWNWARDLY TO A PLANE OF MAXIMUM DIAMETER AND THEN CONTINUES DOWNWARDLY AND INWARDLY FIRST GRADUALLY AND THEN MORE SHARPLY TO FORM A DOWNWARDLY AND INWARDLY INCLINED LEDGE, A COVER OF SEMIRESILIENT MATERIAL HAVING A TOP WALL AND A DEPENDING PERIPHERAL SKIRT TELESCOPED OVER AND INTERLOCKED WITH A SNAP ACTION WITH SAID BEAD, A GASKET OF COMPRESSIBLE MATERIAL EXTENDING AROUND THE UNDERSIDE OF SAID TOP WALL WITHIN AND ADJACENT SAID SKIRT AND DEFORMED AND COMPRESSED AGAINST SAID CUP LIP, SAID SKIRT CONVERGING GRADUALLY AND CONTINUOUSLY TOWARD AND AROUND THE UPPER PORTION OF SAID BEAD PAST SAID PLANE AND THAN CURVING INWARDLY BENEATH AND AGAINST SAID LEDGE SO AS TOP MAINTAINED IN CONTACT THEREWITH UNDER THE COMPRESSION OF SAID GASKET AT A LINE OF CONTACT SPACED BELOW SAID PLANE A DISTANCE SUBSTANTIALLY GREATER THAN THE COMPRESSION OF THE GASKET MEANS PROVIDING A SCORE LINE AROUND SAID SKIRT ADJACENT SAID LINE OF CONTACT, A SPLIT IN SAID SKIRT EXTENDING TRANSVERSELY THEREOF INWARDLY AND UPWARDLY FROM THE EDGE THEREOF AND INTERSECTING SAID SCORE LINE, AND A FINGER TAB INTEGRAL WITH SAID SKIRT PROJECTING FROM THE EDGE THEREOF WITH ONE EDGE OF THE TAB MERGING WITH ONE SIDE OF SAID SPLIT WHEREBY TO PERMIT THE LOWER MARGINAL STRIP OF SAID SKIRT TO BE PULLED AND TORN AWAY FROM SAID COVER AND SAID BEAD ALONG SAID SCORE LINE, SAID SCORE LINE BEING SUBSTANTIALLY SMALLER IN DIAMETER THAN SAID MAXIMUM BEAD DIAMETER WHEREBY TO LEAVE ON THE SKIRT AFTER TEARING OFF SAID STRIP AN INTURNED EDGE ADAPTED, UPON REPLACEMENT OF THE COVER ON THE CUP TO TELESCOPE DOWN OVER SAID BEAD AND CONTACT BENEATH SAID LEDGE WITH A RETAINING GIT EFFECTUALLY HOLDING THE COVER ON THE CUP WITH SAID GASKET IN CONTACT WITH SAID LIP.

References Cited (Backward Citations)

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US1921682A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-11 1969-04-12 1969-10-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-11 1973-04-12 1973-10-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-11 1977-04-12 1977-10-12 $7700.00 Window Closed / Lapsed

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