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US2992117A
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Food package
Assignee: Milprint Inc
•
Filing: 1957-09-13
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Granted: 1961-07-11
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Expires: 1977-09-13
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 22:56
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
US2185470A
Cited
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 |