US2820585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pouring opening for containers
Assignee: Interstate Folding Box Co
•
Filing: 1954-07-01
•
Granted: 1958-01-21
•
Expires: 1974-07-01
Abstract
No abstract record available.
Inventors
- 👤 Robert W Nerenberg
- 👤 Jr Alfred B Kleingers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:33
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/70; B65D5/705
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1065911A
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US1678426A
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FR776131A
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US2146226A
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US2233602A
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US2437114A
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US2364439A
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US2407865A
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US2549582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |