Patent US2593834A successfully refreshed from Google Patents.
US2593834A
Expired / Lapsed
US
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Transparent traylike structure
Assignee: Individual
•
Filing: 1947-01-06
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Granted: 1952-04-22
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Expires: 1967-01-06
Abstract
No abstract record available.
Inventors
- 👤 Bergstein Frank David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:03
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/441; B65D5/445; B65D11/00; B65D11/18; B65D11/1893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1655071A
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US1735548A
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US1836909A
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US2130019A
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US2233207A
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US2281165A
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US2425564A
Cited
US2458834A
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US2488194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |