US2250533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making rings for packages
Assignee: Marshall & Ilsley Bank
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Filing: 1938-04-22
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Granted: 1941-07-29
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Expires: 1958-04-22
Abstract
No abstract record available.
Inventors
- 👤 Roy E Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:18
CPC Classifications
B; B31; B31D; B31D1/00; B31D1/0056; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1036; Y10T156/1038; Y10T156/1052; Y10T156/1062; Y10T156/1067; Y10T156/1089; Y10T156/1092; Y10T156/1097; Y10T156/12; Y10T156/125; Y10T156/1317; Y10T156/1322; Y10T156/133
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) | 1944-07-28 | 1945-01-27 | 1945-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-28 | 1949-01-27 | 1949-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-28 | 1953-01-27 | 1953-07-29 | $7700.00 | Window Closed / Lapsed |