Patent US3019950A successfully refreshed from Google Patents.
US3019950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punctured can seal and spout
Assignee: Individual
•
Filing: 1959-03-31
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Granted: 1962-02-06
•
Expires: 1979-03-31
Abstract
No abstract record available.
Inventors
- 👤 Louis G Callegari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:58
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/24; B67B7/26; B65; B65D; B65D51/00; B65D51/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US141229A
Cited
US268473A
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US494702A
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US1172644A
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US1419237A
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US1636135A
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US1587934A
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US2249082A
Cited
US2354069A
Cited
US2500531A
Cited
US2776778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |