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
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.
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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) | 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 |