US2202640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container control mechanism
Assignee: Alcoa Corp
•
Filing: 1938-04-26
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Granted: 1940-05-28
•
Expires: 1958-04-26
Abstract
No abstract record available.
Inventors
- 👤 John W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:52
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/26; B65G47/28; B65G47/29
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) | 1943-05-28 | 1943-11-27 | 1944-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-28 | 1947-11-27 | 1948-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-28 | 1951-11-27 | 1952-05-28 | $7700.00 | Window Closed / Lapsed |