Patent US2169315A successfully refreshed from Google Patents.
US3054680A
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Assignee: Wyeth LLC
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Filing: 1960-02-15
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Granted: 1962-09-18
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Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Mennen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:27
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/34; B65D81/343; B65D17/00; B65D17/28; B65D17/401; B65D17/4011; B65D17/404; B65D17/42; B65D17/46; B65D17/462; B65D77/00; B65D77/10; B65D77/20; B65D77/2004; B65D77/2008; B65D2577/00; B65D2577/10; B65D2577/20; B65D2577/2075; B65D2577/2091; Y; Y10; Y10S; Y10S229/00; Y10S229/924; Y10S229/925
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
187 words
A CONTAINER FOR FOOD ADAPPTED TO EXPAND WHEN COOKED, SAID CONTAINER BEING FORMED OF METAL FOIL AND HAVING A MARGINAL OUTTURND AND A CRIMPED INTURNED FLANGE, FOOD IN SAID CONTAINER, A WRINKLED FOIL INNER COVER SHEET ADAPTED TO BE EXTENDED BY EXPANSION OF CONTAINER CONTENTS GENERATED BY COOKING, SAID INNER COVER SHET BEING NORMALLY CONFINED WITHIN THE OUTLINE OF SAID CONTAINER, AND AN OUTER SUBSTANTIALLY RIGID COVER OVERLYING SAID INNER COVER AND MARGINALLY SUPPORTED ON SAID FLANGE THE MARGINS OF SAID INNER AND OUTER COVERS BEING ANCHORED BY SAID CRIMPED CONTAINER FLANGE, SAID OUTER COVER BEING SCORED THEREAROUND AND PARTIALLY THERETHROUGH ADJACENT TO THE INNER EDGE OF SAID CRIMPED CONTAINER FLANGE AND HAVING A CUT AND MERGING EITH A SCORE AND EXTENDING THROUGH SAID COVER AND OUTLINING A COPLANAR INTEGRAL FINGER GRIP TAB ADJACENT TO SAID SCORE, SAID OUTER COVER FLLIXING TO ACCOMMODATE GRIPPING OF SAID PULLING THEREON TO PROGRESSIVELY TEAR SAID OUTER COVER ALONG SAID SCORE AND THEREBY REMOVE THE CENTRAL PORTION OF SAID OUTER COVER AND PROVIDE AN OPENING THEREIN THROUGH WHICH SAID INNER COVER SHEET MAY EXTEND DURING COOKING OF FOOD WITHIN SAID CONTAINER.
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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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |