Patent US2680557A successfully refreshed from Google Patents.
US2680557A
Expired / Lapsed
US
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Frozen confection sandwich container
Assignee: Individual
•
Filing: 1950-02-09
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Granted: 1954-06-08
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Expires: 1970-02-09
Abstract
No abstract record available.
Inventors
- 👤 Wilson H Madden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:56
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/72; B65D85/78; B65D5/00; B65D5/02; B65D5/0254; B65D5/42; B65D5/54; B65D5/5405; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/905
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) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |