Patent US3011634A successfully refreshed from Google Patents.
US3011634A
Expired / Lapsed
US
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Method and apparatus for sorting materials
Assignee: K and H Equipment Ltd
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Filing: 1958-03-03
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Granted: 1961-12-05
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Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 James F Hutter
- 👤 Kelly Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:29
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/36; B07C5/361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB504683A
Cited
US2433685A
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US2504731A
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US2587686A
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US2617526A
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US2656923A
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US2696297A
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US2717693A
Cited
US2776747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |