US2647628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic hardness sorter
Assignee: Motors Liquidation Co
•
Filing: 1949-05-28
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Granted: 1953-08-04
•
Expires: 1969-05-28
Abstract
No abstract record available.
Inventors
- 👤 Milton J Diamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:56
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; G; G01; G01N; G01N27/00; G01N27/72; G01N27/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1482198A
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US2045769A
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US2280948A
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US2312357A
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GB581964A
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US2352371A
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US2427774A
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US2455874A
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US2444751A
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US2536693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |