Patent US2386826A successfully refreshed from Google Patents.
US2334536A
Expired / Lapsed
US
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Assignee: Marathon Paper Mills Co
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Filing: 1943-03-30
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Granted: 1943-11-16
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Expires: 1963-03-30
Abstract
No abstract record available.
Inventors
- 👤 Frank L Broeren
- 👤 Byron T Hoffmaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:00
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/16
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) | 1946-11-15 | 1947-05-17 | 1947-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-15 | 1951-05-17 | 1951-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-15 | 1955-05-17 | 1955-11-16 | $7700.00 | Window Closed / Lapsed |