Patent US2593834A successfully refreshed from Google Patents.
US2593834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transparent traylike structure
Assignee: Individual
•
Filing: 1947-01-06
•
Granted: 1952-04-22
•
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 05:18
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US269170A
Cited
US1371219A
Cited
US1458750A
Cited
US1480377A
Cited
US1655071A
Cited
US1735548A
Cited
US1836909A
Cited
US2130019A
Cited
US2233207A
Cited
US2281165A
Cited
US2425564A
Cited
US2458834A
Cited
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 |