Patent US2444722A successfully refreshed from Google Patents.
US2444722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End closure for tubular containers
Assignee: Individual
•
Filing: 1945-02-07
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Granted: 1948-07-06
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Expires: 1965-02-07
Abstract
No abstract record available.
Inventors
- 👤 Bogoslowsky Boris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:35
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/04; B65D75/06; B65D75/40; B65D75/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US177024A
Cited
US1125644A
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US1058523A
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US1123976A
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US1397756A
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US1362090A
Cited
US1658543A
Cited
US1904365A
Cited
US2074824A
Cited
US2242829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |