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US2992117A Expired / Lapsed US ⏱️ 0.0 years remaining

Food package

Assignee: Milprint Inc
•
Filing: 1957-09-13
•
Granted: 1961-07-11
•
Expires: 1977-09-13
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Abstract

No abstract record available.

Inventors

  • 👤 Rosen Shy
  • 👤 Walter S Thompson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 18:18
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/02; B65D65/14; B65B; B65B25/00; B65B25/16; B65D75/00; B65D75/04; B65D75/06; B65D75/12; B65D75/28

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 109 words
A FOOD PACKAGE COMPRISING, A FLEXIBLE WRAPPER SHEET HAVING A TRANSPARENT PORTION OF UNCOATED INHERENTLY THERMOPLASTIC MATERIAL AND A MARGINAL PORTION PROVIDED WITH A HEAT-SEALABLE COATING ADAPTED TO BE ACTIVATED AT A LOWER TEMPERATURE THAN THE BASE SHEET, AND A FOOD COMMODITY PROTECTIVELY CONFINED WITHIN SAID SHEET, THE MAJOR BODY PORTION OF SAID COMMODITY BEING SURROUNDED BY THE TRANSPARENT UNCOATED PORTION OF SAID SHEET WITH OVERLAPPING UNCOATED MARGINAL PORTIONS THEREOF DIRECTLY FUSED TOGETHER BY BEAT TO PROVIDE A STRONG SEAL, AND THE MARGINAL COATED PORTION OF SAID SHEET BEING FOLDED AND HEAT SEALED BY FUSION OF THE COATING OVER THE FOLDED AREAS THEREOF TO PROVIDE A RELATIVELY SUPERFICIAL SEAL.
Claim 2
Dependent Claim 109 words
A FOOD PACKAGE COMPRISING, A FLEXIBLE WRAPPER SHEET HAVING A TRANSPARENT PORTION OF UNCOATED INHERENTLY THERMOPLASTIC MATERIAL AND A MARGINAL PORTION PROVIDED WITH A HEAT-SEALABLE COATING ADAPTED TO BE ACTIVATED AT A LOWER TEMPERATURE THAN THE BASE SHEET, AND A FOOD COMMODITY PROTECTIVELY CONFINED WITHIN SAID SHEET, THE MAJOR BODY PORTION OF SAID COMMODITY BEING SURROUNDED BY THE TRANSPARENT UNCOATED PORTION OF SAID SHEET WITH OVERLAPPING UNCOATED MARGINAL PORTIONS THEREOF DIRECTLY FUSED TOGETHER BY BEAT TO PROVIDE A STRONG SEAL, AND THE MARGINAL COATED PORTION OF SAID SHEET BEING FOLDED AND HEAT SEALED BY FUSION OF THE COATING OVER THE FOLDED AREAS THEREOF TO PROVIDE A RELATIVELY SUPERFICIAL SEAL.

References Cited (Backward Citations)

US1266705A Cited
US2046848A Cited
US2048895A Cited
US2130680A Cited
US2132931A Cited
US2234065A Cited
US2229287A Cited
US2215036A Cited
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US2475052A Cited
US2692723A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-07-10 1965-01-09 1965-07-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-07-10 1969-01-09 1969-07-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-07-10 1973-01-09 1973-07-11 $7700.00 Window Closed / Lapsed

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