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US3259303A Expired / Lapsed US ⏱️ 0.0 years remaining

Resealable flexible container

Assignee: Dow Chemical Co
•
Filing: 1964-10-02
•
Granted: 1966-07-05
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Expires: 1984-10-02
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Abstract

No abstract record available.

Inventors

  • 👤 John P Repko

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 06:55
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5827; B65D75/5833; B65D2575/00; B65D2575/52; B65D2575/58; B65D2575/586; B65D75/40; B65D75/44; B65D75/46

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 225 words
IN A GENERALLY FLAT CONTAINER HAVING AN OBJECT PACKAGED THEREIN, SAID CONTAINER HAVING FIRST AND SECOND HERMETICALLY SEALED END PORTIONS, FIRST AND SECOND SIDE PORTIONS AND A BOTTOM AND A TOP, SAID CONTAINER BEING PREPARED FROM A FLEXIBLE WEB IN WHICH AT LEAST THE INNER SURFACE OF SAID WEB IS HEAT SEALABLE RESIN, THE IMPROVEMENT CONSISTING OF: EASY OPENING AND RESEALING MEANS ON SAID TOP COMPRISING (A) A FIXED INNER WEB PORTION INTEGRAL WITH SAID FIRST SIDE PORTION BEING HERMETICALLY SEALED TO SAID FIRST AND SECOND END PORTIONS; (B) PRESSURE SENSITIVE RESEALABLE ADHESIVE MEANS AFFIXED TO THE OUTERMOST SURFACE OF SAID INNER WEB PORTION REMOTE FROM WEB PORTION TIALLY PARALLEL TO THE LOWER EDGE OF SID INNER WEB PORTION AND EXTENDING BETWEEN SAID FIRST AND SECOND END PORTIONS; (C) AN OUTER WEB PORTION INTEGRAL WITH SAID SECOND SIDE PORTION AND EXTENDING IN OVERLAPPING RELATIONSHIP WITH SAID INNER WEB PORTION AND SAID ADHESIVE MEANS; AND (D) FIRST AND SECOND TEAR LINES ON SAID OUTER WEB PORTION EXTENDING FROM THE LOWER EDGE OF THE INNER WEB PORTION AT A POINT IMMEDIATELY ADJACENT SAID FIRST AND SECOND HERMETICALLY SEALED END PORTIONS RESPECTIVELY AND EXTENDING DOWNWARDLY IN THE DIRECTION OF SAID SECOND SIDE PORTION, SAID TEAR LINES BEING OF A PATTERN SUITABLE FOR FORMING AN OPENING WHEN THE OUTER WEB PORTION IS DRAWN AWAY FROM SAID INNER WEB PORTION.
Claim 2
Dependent Claim 225 words
IN A GENERALLY FLAT CONTAINER HAVING AN OBJECT PACKAGED THEREIN, SAID CONTAINER HAVING FIRST AND SECOND HERMETICALLY SEALED END PORTIONS, FIRST AND SECOND SIDE PORTIONS AND A BOTTOM AND A TOP, SAID CONTAINER BEING PREPARED FROM A FLEXIBLE WEB IN WHICH AT LEAST THE INNER SURFACE OF SAID WEB IS HEAT SEALABLE RESIN, THE IMPROVEMENT CONSISTING OF: EASY OPENING AND RESEALING MEANS ON SAID TOP COMPRISING (A) A FIXED INNER WEB PORTION INTEGRAL WITH SAID FIRST SIDE PORTION BEING HERMETICALLY SEALED TO SAID FIRST AND SECOND END PORTIONS; (B) PRESSURE SENSITIVE RESEALABLE ADHESIVE MEANS AFFIXED TO THE OUTERMOST SURFACE OF SAID INNER WEB PORTION REMOTE FROM WEB PORTION TIALLY PARALLEL TO THE LOWER EDGE OF SID INNER WEB PORTION AND EXTENDING BETWEEN SAID FIRST AND SECOND END PORTIONS; (C) AN OUTER WEB PORTION INTEGRAL WITH SAID SECOND SIDE PORTION AND EXTENDING IN OVERLAPPING RELATIONSHIP WITH SAID INNER WEB PORTION AND SAID ADHESIVE MEANS; AND (D) FIRST AND SECOND TEAR LINES ON SAID OUTER WEB PORTION EXTENDING FROM THE LOWER EDGE OF THE INNER WEB PORTION AT A POINT IMMEDIATELY ADJACENT SAID FIRST AND SECOND HERMETICALLY SEALED END PORTIONS RESPECTIVELY AND EXTENDING DOWNWARDLY IN THE DIRECTION OF SAID SECOND SIDE PORTION, SAID TEAR LINES BEING OF A PATTERN SUITABLE FOR FORMING AN OPENING WHEN THE OUTER WEB PORTION IS DRAWN AWAY FROM SAID INNER WEB PORTION.

References Cited (Backward Citations)

US2844846A Cited
US2963215A Cited
US3100598A Cited
US3122301A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-07-04 1970-01-03 1970-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-07-04 1974-01-03 1974-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-07-04 1978-01-03 1978-07-05 $7700.00 Window Closed / Lapsed

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