Patent US2443431A successfully refreshed from Google Patents.
US2443431A
Expired / Lapsed
US
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Container structures for liquid, semiliquid, and freely flowable products, especially food products to be frozen
Assignee: GARDNER RICHARDSON CO
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Filing: 1943-06-23
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Granted: 1948-06-15
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Expires: 1963-06-23
Abstract
No abstract record available.
Inventors
- 👤 William A Ringler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:51
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/24; B65D5/244; B65D75/00; B65D75/04; B65D75/14; 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) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |