US2650737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown shipping container
Assignee: ACF Industries Inc
•
Filing: 1949-12-29
•
Granted: 1953-09-01
•
Expires: 1969-12-29
Abstract
No abstract record available.
Inventors
- 👤 Wallace T Geyer
- 👤 Reuben H Learn
- 👤 Leonard W Sult
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:57
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/52; B65D88/526; B65D88/528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1651284A
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GB303050A
Cited
US2027683A
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US2141734A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |