US2761581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cargo container
Assignee: AMERICAN HAWAIIAN STEAMSHIP CO
•
Filing: 1952-01-31
•
Granted: 1956-09-04
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Expires: 1972-01-31
Abstract
No abstract record available.
Inventors
- 👤 George E Cohee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:36
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1694912A
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US1667467A
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US1783363A
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US1760842A
Cited
US1942022A
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US2137255A
Cited
US2247340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |