Patent US2471343A successfully refreshed from Google Patents.
Patent US2576889A successfully refreshed from Google Patents.
US2576889A
Expired / Lapsed
US
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Puncturing and pouring device for sealed container, with spout and vent
Assignee: Individual
•
Filing: 1947-02-17
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Granted: 1951-11-27
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Expires: 1967-02-17
Abstract
No abstract record available.
Inventors
- 👤 Oliver W Partain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:01
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/24; B67B7/26; B67B7/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2373373A
Cited
US1307908A
Cited
US654795A
Cited
US979072A
Cited
US1060258A
Cited
US1113270A
Cited
US1142940A
Cited
US1216180A
Cited
US1209438A
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US1248251A
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US1295425A
Cited
US1348519A
Cited
US1426180A
Cited
US1556206A
Cited
US1567950A
Cited
US2069984A
Cited
US2053370A
Cited
US2304457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |