Patent US3021990A successfully refreshed from Google Patents.
US3021990A
Expired / Lapsed
US
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Aluminum foil container
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1958-03-03
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Granted: 1962-02-20
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Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Edmund L Duskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:15
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/0233; B65D1/00; B65D1/34; B65D77/00; B65D77/10; B65D77/20; B65D77/2004; B65D77/2008
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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |