Patent US2664216A successfully refreshed from Google Patents.
US2664216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can bag unloading method and apparatus
Assignee: Continental Can Co Inc
•
Filing: 1949-06-20
•
Granted: 1953-12-29
•
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 17:18
CPC Classifications
B; B65; B65B; B65B69/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1487076A
Cited
US1451450A
Cited
US1632204A
Cited
US1622518A
Cited
US1869653A
Cited
US1906126A
Cited
US1954944A
Cited
US2210886A
Cited
US2321171A
Cited
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 |