US2403511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container closure
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1943-02-19
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Granted: 1946-07-09
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Expires: 1963-02-19
Abstract
No abstract record available.
Inventors
- 👤 Edward M Enkur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:43
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/16; B65D2251/00; B65D2251/20; B65D2251/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-07-08 | 1950-01-07 | 1950-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-08 | 1954-01-07 | 1954-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-08 | 1958-01-07 | 1958-07-09 | $7700.00 | Window Closed / Lapsed |