Patent US3220856A successfully refreshed from Google Patents.
US3220856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frozen food package
Assignee: Individual
•
Filing: 1962-01-31
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Granted: 1965-11-30
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Expires: 1982-01-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred Vischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:42
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/805; A23B2/8055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A FROZEN FOOD PACKAGE COMPRISING, A RELATIVELY RIGID TRAY FORMED OF METAL AND HAVING A BOTTOM AND UPSTANDING SIDE WALLS SUBSTANTIALLY FILLED WITH A UNITARY MASS OF FROZEN FOOD, SAID BOTTOM INCLUDING A PLURALITY OF ELONGATED HOLLOW PORTIONS EACH EXTENDING A SUBSTANTIAL DISTANCE INTO SAID MASS OF FOOD AT MUTUALLY SPACED-APART LOCATIONS WITH SAID FOOD BEING IN INTIMATE CONTACT WITH THE BOTTOM OF SAID TRAY SUBSTANTIALLY THROUGH THE ENTIRE INNER SURFACE AREA OF SAID BOTTOM PORTION, A TOP MEMBER FORMED OF METAL AND SECURED OVER THE TOP OF SAID TRAY AND SEALABLY CONNECTED TO SAID TRAY ABOUT THE RESPECTIVE EDGES THEREOF, SAID TOP MEMBER HAVING A PLURALITY OF OPEN-TOPPED HOLLOW FIN PORTIONS DEPENDING INTO SAID UNITARY MASS OF FOOD AT MUTUALLY SPACED-APART LOCATIONS AND IN SPACED-APART RELATIONSHIP WITH THE BOTTOM PORTION OF SAID TRAY, SAID TRAY HAVING A DULL, BLACK FINISH ON THE INNER AND OUTER SURFACES THEREOF.
Claim 2
Dependent Claim
148 words
A FROZEN FOOD PACKAGE COMPRISING, A RELATIVELY RIGID TRAY FORMED OF METAL AND HAVING A BOTTOM AND UPSTANDING SIDE WALLS SUBSTANTIALLY FILLED WITH A UNITARY MASS OF FROZEN FOOD, SAID BOTTOM INCLUDING A PLURALITY OF ELONGATED HOLLOW PORTIONS EACH EXTENDING A SUBSTANTIAL DISTANCE INTO SAID MASS OF FOOD AT MUTUALLY SPACED-APART LOCATIONS WITH SAID FOOD BEING IN INTIMATE CONTACT WITH THE BOTTOM OF SAID TRAY SUBSTANTIALLY THROUGH THE ENTIRE INNER SURFACE AREA OF SAID BOTTOM PORTION, A TOP MEMBER FORMED OF METAL AND SECURED OVER THE TOP OF SAID TRAY AND SEALABLY CONNECTED TO SAID TRAY ABOUT THE RESPECTIVE EDGES THEREOF, SAID TOP MEMBER HAVING A PLURALITY OF OPEN-TOPPED HOLLOW FIN PORTIONS DEPENDING INTO SAID UNITARY MASS OF FOOD AT MUTUALLY SPACED-APART LOCATIONS AND IN SPACED-APART RELATIONSHIP WITH THE BOTTOM PORTION OF SAID TRAY, SAID TRAY HAVING A DULL, BLACK FINISH ON THE INNER AND OUTER SURFACES THEREOF.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |