Patent US2983419A successfully refreshed from Google Patents.
US2983419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure means for liquid tight cartons
Assignee: Bergstein Packaging Trust
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Filing: 1953-03-10
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Granted: 1961-05-09
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Expires: 1973-03-10
Abstract
No abstract record available.
Inventors
- 👤 Frank D Bergstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:41
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/72; B65D5/727
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1956217A
Cited
GB392395A
Cited
US2317355A
Cited
US2197739A
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US2182818A
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US2146226A
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US2321011A
Cited
US2340651A
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US2435155A
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US2493671A
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US2604252A
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US2549048A
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US2609985A
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US2629534A
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US2570266A
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US2661137A
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US2657848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |