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US3069273A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of packaging

Assignee: Kraft Inc
•
Filing: 1958-10-16
•
Granted: 1962-12-18
•
Expires: 1978-10-16
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Abstract

No abstract record available.

Inventors

  • 👤 Clyde D Wayne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:07
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/20; B65D77/2024; B65D77/2028; B65D77/2032; B65D77/2044; B65D77/2048; B65D77/2052; B65B; B65B9/00; B65B9/02; B65B9/04; B65D2577/00; B65D2577/10; B65D2577/20; B65D2577/2041; B65D2577/205; B65D2577/2075; B65D2577/2083; Y; Y10; Y10S; Y10S229/00; Y10S229/927

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 183 words
A METHOD OF PACKING INDIVIDUAL FOOD SERVINGS COMPRISING FORMING AN ELONGATED STRIP OF THERMOPLASTIC MATERIAL INTO A LONGITUDINALLY SPACED SERIES OF CUPS WHILE LEAVING A HORIZONTALLY EXTENDING BORDER FLANGE ABOUT EACH CUP, SUCESSIVELY FILLING THE CUPS WITH A FOOD MATERIAL, PROVIDING A LONGITUDINALLY EXTENDING LINE OF WEAKNESS IN SAID BORDER FLANGE ADJACENT ONE EDGE THEREOF, APPLYING A CONTINUOUS SECOND STRIP OF THERMOPLASTIC MATERIAL TO SAID BORDER FLANGE, SAID SECOND STRIP BEING WIDE ENOUGH TO EXTEND ACROSS SAID CUPS AND TO A POINT BEYOND SAID LINE OF WEAKNESS, HEAT SEALING SAID SECOND STRIP TO SAID BORDER FLANGE AT A TEMPERATURE SUCH THAT A LOW STRENGTH HERMETIC SEAL IS EFFECTIVE THEREBETWEEN, AND CUTTING SAID BORDER FLANGE AND SAID SECONG STRIP TRANSVERSELY BETWEEN SAID CUPS TO PROVIDE A PLURALITY OF INDIVIDUAL SEALED PACKAGES EACH HAVING A COVER SHEET WHICH INCLUDES AN EDGE PORTION ATTACHED TO A PORTION OF THE BORDER FLANGE BEYOND THE LINE OF WEAKNESS, SAID EDGE PORTION AND THE ATTACHED PORTION OF THE BORDER FLANGE PROVIDING A GRIP FOR REMOVING THE REMAINDER OF SAID COVER SHEET FROM THE REMAINDER OF SAID ASSOCIATED BORDER FLANGE.
Claim 2
Independent Claim 183 words
A METHOD OF PACKING INDIVIDUAL FOOD SERVINGS COMPRISING FORMING AN ELONGATED STRIP OF THERMOPLASTIC MATERIAL INTO A LONGITUDINALLY SPACED SERIES OF CUPS WHILE LEAVING A HORIZONTALLY EXTENDING BORDER FLANGE ABOUT EACH CUP, SUCESSIVELY FILLING THE CUPS WITH A FOOD MATERIAL, PROVIDING A LONGITUDINALLY EXTENDING LINE OF WEAKNESS IN SAID BORDER FLANGE ADJACENT ONE EDGE THEREOF, APPLYING A CONTINUOUS SECOND STRIP OF THERMOPLASTIC MATERIAL TO SAID BORDER FLANGE, SAID SECOND STRIP BEING WIDE ENOUGH TO EXTEND ACROSS SAID CUPS AND TO A POINT BEYOND SAID LINE OF WEAKNESS, HEAT SEALING SAID SECOND STRIP TO SAID BORDER FLANGE AT A TEMPERATURE SUCH THAT A LOW STRENGTH HERMETIC SEAL IS EFFECTIVE THEREBETWEEN, AND CUTTING SAID BORDER FLANGE AND SAID SECONG STRIP TRANSVERSELY BETWEEN SAID CUPS TO PROVIDE A PLURALITY OF INDIVIDUAL SEALED PACKAGES EACH HAVING A COVER SHEET WHICH INCLUDES AN EDGE PORTION ATTACHED TO A PORTION OF THE BORDER FLANGE BEYOND THE LINE OF WEAKNESS, SAID EDGE PORTION AND THE ATTACHED PORTION OF THE BORDER FLANGE PROVIDING A GRIP FOR REMOVING THE REMAINDER OF SAID COVER SHEET FROM THE REMAINDER OF SAID ASSOCIATED BORDER FLANGE.

References Cited (Backward Citations)

US2899782A Cited
US2314338A Cited
US2649392A Cited
US2736656A Cited
US2784539A Cited
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US2813799A Cited
US2879635A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-17 1966-06-18 1966-12-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-17 1970-06-18 1970-12-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-17 1974-06-18 1974-12-18 $7700.00 Window Closed / Lapsed

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