US2578174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular container
Assignee: ALPAK
•
Filing: 1949-04-01
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Granted: 1951-12-11
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Expires: 1969-04-01
Abstract
No abstract record available.
Inventors
- 👤 Walton B Crane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:30
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/0003; B65D71/0022; B65D2571/00; B65D2571/00123; B65D2571/00129; B65D2571/00135; B65D2571/00141; B65D2571/00333; B65D2571/0037; B65D2571/00376; B65D2571/00388; B65D2571/00432; B65D2571/00456; B65D2571/00475; B65D2571/00487; B65D2571/00518; B65D2571/00524; B65D2571/00648; B65D2571/00654; B65D2571/0066; B65D2571/00709; B65D2571/00802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |