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US2426384A
Expired / Lapsed
US
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Manufacture of flexible containers
Assignee: HEWITT RUBBER Corp
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Filing: 1941-05-26
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Granted: 1947-08-26
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Expires: 1961-05-26
Abstract
No abstract record available.
Inventors
- 👤 Francis W Blanchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:28
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1113009A
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US1297305A
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US1392892A
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US1662018A
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US1509346A
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US1821951A
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US2217734A
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US2102590A
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US2280074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |