Patent US1824733A successfully refreshed from Google Patents.
US1824733A
Expired / Lapsed
US
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Closure retaining device for drums
Assignee: Wheeling Steel Corp
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Filing: 1930-12-05
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Granted: 1931-09-22
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Expires: 1950-12-05
Abstract
No abstract record available.
Inventors
- 👤 Charles H Rollason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/02; B65D45/30; B65D2543/00; B65D2543/00009; B65D2543/00435; B65D2543/00953; B65D2543/00962; B65D2543/00972; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/209
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) | 1934-09-21 | 1935-03-23 | 1935-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-21 | 1939-03-23 | 1939-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-21 | 1943-03-23 | 1943-09-22 | $7700.00 | Window Closed / Lapsed |