US2690850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for unloading containers
Assignee: Akzo Nobel Paints LLC
•
Filing: 1950-02-18
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Granted: 1954-10-05
•
Expires: 1970-02-18
Abstract
No abstract record available.
Inventors
- 👤 Paul L Welker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:28
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/76; B65B; B65B69/00; B65B69/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1425337A
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US1518238A
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US1664667A
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US2343154A
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US2259383A
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US2455764A
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US2506204A
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US2570070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |