Patent US2415387A successfully refreshed from Google Patents.
US2415387A
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US
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Packaging hygroscopic materials
Assignee: Marathon Corp
•
Filing: 1944-01-24
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Granted: 1947-02-04
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Expires: 1964-01-24
Abstract
No abstract record available.
Inventors
- 👤 Winfred H Graebner
- 👤 Russell C Flom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:48
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1826557A
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US1964793A
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US2123760A
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US2089524A
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US2178447A
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US2354590A
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US2282258A
Cited
US2301128A
Cited
US2348689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |