Patent US2664216A successfully refreshed from Google Patents.
US2664216A
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US
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Can bag unloading method and apparatus
Assignee: Continental Can Co Inc
•
Filing: 1949-06-20
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Granted: 1953-12-29
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Expires: 1969-06-20
Abstract
No abstract record available.
Inventors
- 👤 Scott R Johnson
- 👤 Edwin G Blaing-Leisk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:20
CPC Classifications
B; B65; B65B; B65B69/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1487076A
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US1451450A
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US1632204A
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US1622518A
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US1869653A
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US1906126A
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US1954944A
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US2210886A
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US2321171A
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US2508861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |