US2865550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containers having strong end closures and methods of making them
Assignee: Bergstein Packaging Trust
•
Filing: 1954-03-08
•
Granted: 1958-12-23
•
Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Frank D Bergstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:22
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0227; B31; B31B; B31B50/00; B31B50/74; B31B50/742; B31B50/743; B65D2301/00; B65D2301/10
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |