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US2633264A
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US
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Spaced wall insulated container
Assignee: Individual
•
Filing: 1951-04-05
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Granted: 1953-03-31
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Expires: 1971-04-05
Abstract
No abstract record available.
Inventors
- 👤 Dinsmore Margaret
- 👤 Eric K Lotthammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:49
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/0055; A47J41/0072; A47J41/0077; A47J41/02; A47J41/022; A47J41/024; A47J41/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1549618A
Cited
US1119968A
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US1096572A
Cited
US1234189A
Cited
US1527349A
Cited
US1653978A
Cited
US1749337A
Cited
US2326414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |