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US2481664A
Expired / Lapsed
US
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Insulated container
Assignee: Individual
•
Filing: 1945-03-19
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Granted: 1949-09-13
•
Expires: 1965-03-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Hemp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:59
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/38; B65D81/3813; B65D81/3823; A; A47; A47J; A47J41/00; A47J41/0055; A47J41/0072; A47J41/0077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1354712A
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US1639529A
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US1605740A
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US1684399A
Cited
GB319821A
Cited
US1900306A
Cited
US2179542A
Cited
US2060941A
Cited
US2054754A
Cited
US2386958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |