US2516647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making closure elements
Assignee: Continental Can Co Inc
•
Filing: 1946-05-13
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Granted: 1950-07-25
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Expires: 1966-05-13
Abstract
No abstract record available.
Inventors
- 👤 Louis F Rogers
- 👤 Michael S Ebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:53
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44; B21D51/46; Y; Y10; Y10S; Y10S425/00; Y10S425/809; Y10S493/00; Y10S493/962; Y10T; Y10T428/00; Y10T428/26
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) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |