US3100711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food package
Assignee: Individual
•
Filing: 1958-07-18
•
Granted: 1963-08-13
•
Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Eisler Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:39
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/54; H05B3/56; A; A47; A47J; A47J36/00; A47J36/24; A47J36/2483; B; B65; B65D; B65D81/00; B65D81/34; B65D81/3476; H05B3/565; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A FOOD PACKAGE COMPRISING A DISPENSABLE CONTAINER HAVING OUTER WALLS AND WITH A FOODSTUFF THEREIN, A SEPARATE DISPENSABLE ELECTRICAL HEATING FILM AT LEAST HAVING THE MAJOR PART OF ITS SURFACE WITHIN THE OUTER WALLS OF THE CONTAINER AND AT LEAST ONE ELECTRICALLY AND THERMALLY INSULATING LAYER BETWEEN THE FILM AND THE OUTER WALL OF THE CONTAINER, SAID HEATING FILM INCLUDING TERMINAL AREAS ACCESSIBLE WITHOUT REMOVING THE FOODSTUFF FROM THE CONTAINER, AND SAID HEATING FILM ALSO INCLUDING AN ELECTRICAL CONDUCTIVE PATTERN OF METAL FOIL PROVIDING AT LEAST ONE MEANDER PATH BETWEEN SAID TERMINAL AREAS AND PRESENTING A VALUE OF RESISTANCE BETWEEN SAID TERMINAL AREAS WHICH WHEN CONNECTED BY SAID TERMINAL AREAS TO A LOW VOLTAGE SOURCE HEAT IS DEVELOPED AT A RATE ADEQUATE TO HEAT THE FOODSTUFF IN THE CONTAINER, SAID FILM BEING THIN AND OF LARGE HEAT TRANSFERRING SURFACE AREA AND POSITIONED IN THE CONTAINER SO THAT ITS SURFACE TEMPERATURE DURING THE HEATING PERIOD DOES NOT REACH A VALUE WHICH WOULD DAMAGE THE FOODSTUFF.
Claim 2
Dependent Claim
164 words
A FOOD PACKAGE COMPRISING A DISPENSABLE CONTAINER HAVING OUTER WALLS AND WITH A FOODSTUFF THEREIN, A SEPARATE DISPENSABLE ELECTRICAL HEATING FILM AT LEAST HAVING THE MAJOR PART OF ITS SURFACE WITHIN THE OUTER WALLS OF THE CONTAINER AND AT LEAST ONE ELECTRICALLY AND THERMALLY INSULATING LAYER BETWEEN THE FILM AND THE OUTER WALL OF THE CONTAINER, SAID HEATING FILM INCLUDING TERMINAL AREAS ACCESSIBLE WITHOUT REMOVING THE FOODSTUFF FROM THE CONTAINER, AND SAID HEATING FILM ALSO INCLUDING AN ELECTRICAL CONDUCTIVE PATTERN OF METAL FOIL PROVIDING AT LEAST ONE MEANDER PATH BETWEEN SAID TERMINAL AREAS AND PRESENTING A VALUE OF RESISTANCE BETWEEN SAID TERMINAL AREAS WHICH WHEN CONNECTED BY SAID TERMINAL AREAS TO A LOW VOLTAGE SOURCE HEAT IS DEVELOPED AT A RATE ADEQUATE TO HEAT THE FOODSTUFF IN THE CONTAINER, SAID FILM BEING THIN AND OF LARGE HEAT TRANSFERRING SURFACE AREA AND POSITIONED IN THE CONTAINER SO THAT ITS SURFACE TEMPERATURE DURING THE HEATING PERIOD DOES NOT REACH A VALUE WHICH WOULD DAMAGE THE FOODSTUFF.
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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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |