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Patent US2499254A successfully refreshed from Google Patents.
US2499254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermos lunch box
Assignee: Individual
•
Filing: 1947-10-01
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Granted: 1950-02-28
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Expires: 1967-10-01
Abstract
No abstract record available.
Inventors
- 👤 Parker Clyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:02
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/20
Claims Analysis
Total Claims: 0
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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) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |