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US2801041A
Expired / Lapsed
US
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Leak-proof container
Assignee: Individual
•
Filing: 1954-10-01
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Granted: 1957-07-30
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Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 Chester E Kruszynski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:33
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/06; B65D5/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1786827A
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US2113481A
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US2158448A
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US2131855A
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US2216527A
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US2292653A
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US2511481A
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US2652148A
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US2586612A
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US2695744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |