US2604252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tight carton
Assignee: Individual
•
Filing: 1947-04-09
•
Granted: 1952-07-22
•
Expires: 1967-04-09
Abstract
No abstract record available.
Inventors
- 👤 Bergstein Frank David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:37
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/02; G01N29/024; B; B65; B65D; B65D5/00; B65D5/02; B65D5/0227; B65D5/42; B65D5/56; B65D5/60; B65D5/603; B65D5/606; G01N29/04; G01N29/07; G01N29/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1277176A
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US1856743A
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US1912698A
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US2025477A
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US2105025A
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US2196243A
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US2261621A
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US2341845A
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US2349605A
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US2411622A
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US2543757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |