Patent US2543524A successfully refreshed from Google Patents.
US2543524A
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US
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Isothermal food and liquid carrier
Assignee: Individual
•
Filing: 1948-09-08
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Granted: 1951-02-27
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Expires: 1968-09-08
Abstract
No abstract record available.
Inventors
- 👤 Oliveira Gervasio Pinto De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:14
CPC Classifications
F; F25; F25D; F25D3/00; A; A45; A45C; A45C11/00; A45C11/20; F25D2331/00; F25D2331/80; F25D2331/804; Y; Y10; Y10S; Y10S165/00; Y10S165/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377092A
Cited
US2274285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |