US2671490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for crimping retaining rings on containers
Assignee: Summit Container Corp
•
Filing: 1949-03-22
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Granted: 1954-03-09
•
Expires: 1969-03-22
Abstract
No abstract record available.
Inventors
- 👤 George D Jansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:43
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/60; B31B50/64; B31B2105/00; B31B2105/002; B31B2105/0022; B31B2120/00; B31B2120/002; B31B50/26; B31B50/28; B31B50/72; B31B50/74; B31B50/81; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/53717; Y10T29/53722
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) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |