US2433549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container sealing apparatus
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1940-08-03
•
Granted: 1947-12-30
•
Expires: 1960-08-03
Abstract
No abstract record available.
Inventors
- 👤 Edward M Enkur
- 👤 Leo F Pahl
- 👤 Louis L Lauve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:39
CPC Classifications
B; B67; B67B; B67B3/00; B67B3/20; B67B3/204; B67B3/2046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1738783A
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US1955704A
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US2047846A
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US2041891A
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US2347668A
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US2158675A
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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) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |