US2654478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for automatically separating underweight cans from normal weight cans
Assignee: Individual
•
Filing: 1949-05-31
•
Granted: 1953-10-06
•
Expires: 1969-05-31
Abstract
No abstract record available.
Inventors
- 👤 Donald E Stem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:04
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/30; B65B1/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US538320A
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US1139070A
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US2109076A
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US2176784A
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US2235725A
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US2303526A
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US2269474A
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US2264348A
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US2307695A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |