Patent US3154215A successfully refreshed from Google Patents.
US3154215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Denestable stack of frozen food containers
Assignee: HS Crocker Co Inc
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Filing: 1960-08-25
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Granted: 1964-10-27
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Expires: 1980-08-25
Abstract
No abstract record available.
Inventors
- 👤 Vesconte Ed Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:43
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/20; B65D77/2024; B65D21/00; B65D21/02; B65D21/0233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
AN EASILY DENESTABLE STACK OF CONTAINERS WITH EACH CONTAINER COMPRISING A GENERALLY RECTANGULAR BODY MADE OF A PLASTIC MATERIAL DEFINING A CAVITY THEREIN FOR THE RECEIPT OF FOOD WITH A GENERALLY RECTANGULAR MOUTH SURROUNDED BY AN OUTWARDLY EXTENDING FLANGE AND WITH SAID CONTAINER HAVING INWARDLY SLOPING SIDE WALLS EXTENDING AWAY FROM SAID MOUTH AND INTO THE MOUTH OF AN ADJACENT CONTAINER IN THE STACK, A GENERALLY RECTANGULAR PAPERBOARD RING ATTACHED TO SAID FLANGE AND HAVING TWO PAIRS OF ELONGATED PARALLEL SIDE PORTIONS, AND AN ELONGATED PAPERBOARD FLAP INTEGRALLY FORMED WITH EACH OF SAID SIDE PORTIONS OF EACH OF SAID PAIRS WITH EACH OF SAID FLAPS JOINED TO SAID RING AT A FOLD LINE ADJACENT TO SAID MOUTH AND EXTENDING ALONG SUBSTANTIALLY THE FULL LENGTH OF SAID SIDE PORTION OF SAID RING RENDERING SAID SIDE PORTION OF SAID RING SUBSTANTIALLY RIGID, AND WITH EACH OF SAID FLAPS EXTENDING ALONG ONE OF SAID SLOPING SIDE WALLS IN A DIRECTION AWAY FROM SAID FLANGE BY A DISTANCE SUFFICIENT TO ENGAGE THE FLANGE OF SAID ADJACENT CONTAINER IN THE MOUTH OF WHICH SAID CONTAINER IS NESTED.
Claim 2
Dependent Claim
182 words
AN EASILY DENESTABLE STACK OF CONTAINERS WITH EACH CONTAINER COMPRISING A GENERALLY RECTANGULAR BODY MADE OF A PLASTIC MATERIAL DEFINING A CAVITY THEREIN FOR THE RECEIPT OF FOOD WITH A GENERALLY RECTANGULAR MOUTH SURROUNDED BY AN OUTWARDLY EXTENDING FLANGE AND WITH SAID CONTAINER HAVING INWARDLY SLOPING SIDE WALLS EXTENDING AWAY FROM SAID MOUTH AND INTO THE MOUTH OF AN ADJACENT CONTAINER IN THE STACK, A GENERALLY RECTANGULAR PAPERBOARD RING ATTACHED TO SAID FLANGE AND HAVING TWO PAIRS OF ELONGATED PARALLEL SIDE PORTIONS, AND AN ELONGATED PAPERBOARD FLAP INTEGRALLY FORMED WITH EACH OF SAID SIDE PORTIONS OF EACH OF SAID PAIRS WITH EACH OF SAID FLAPS JOINED TO SAID RING AT A FOLD LINE ADJACENT TO SAID MOUTH AND EXTENDING ALONG SUBSTANTIALLY THE FULL LENGTH OF SAID SIDE PORTION OF SAID RING RENDERING SAID SIDE PORTION OF SAID RING SUBSTANTIALLY RIGID, AND WITH EACH OF SAID FLAPS EXTENDING ALONG ONE OF SAID SLOPING SIDE WALLS IN A DIRECTION AWAY FROM SAID FLANGE BY A DISTANCE SUFFICIENT TO ENGAGE THE FLANGE OF SAID ADJACENT CONTAINER IN THE MOUTH OF WHICH SAID CONTAINER IS NESTED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |