US2290715A
Expired / Lapsed
US
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Portable container
Assignee: Steel Plate & Shape Corp
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Filing: 1939-05-01
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Granted: 1942-07-21
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Expires: 1959-05-01
Abstract
No abstract record available.
Inventors
- 👤 George D Shanahan
- 👤 Clyde C Huffman
- 👤 Elvert R Warnke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:27
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/52; B65D88/526; B65D88/528; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00024; B65D2519/00049; B65D2519/00059; B65D2519/00154; B65D2519/00164; B65D2519/00223; B65D2519/00233; B65D2519/00258; B65D2519/00283; B65D2519/00288; B65D2519/00313; B65D2519/00328; B65D2519/00333; B65D2519/00398; B65D2519/00402; B65D2519/00422; B65D2519/00492; B65D2519/00497; B65D2519/00547; B65D2519/00552; B65D2519/00557; B65D2519/00562; B65D2519/00577; B65D2519/00616; B65D2519/00626; B65D2519/00636; B65D2519/00666
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-07-20 | 1946-01-19 | 1946-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-20 | 1950-01-19 | 1950-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-20 | 1954-01-19 | 1954-07-21 | $7700.00 | Window Closed / Lapsed |