US2415862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved bag and method of manufacturing it
Assignee: Bemis Brothers Bag Co
•
Filing: 1944-03-17
•
Granted: 1947-02-18
•
Expires: 1964-03-17
Abstract
No abstract record available.
Inventors
- 👤 Belcher Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:04
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/14; B65D31/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US907557A
Cited
GB307483A
Cited
US1783624A
Cited
US1852026A
Cited
GB358454A
Cited
US1993377A
Cited
US2148648A
Cited
US2275505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |