Patent US3062355A successfully refreshed from Google Patents.
US3062355A
Expired / Lapsed
US
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Granular bulk material handling apparatus
Assignee: Yawata Iron and Steel Co Ltd
•
Filing: 1959-06-15
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Granted: 1962-11-06
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Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 Sawada Yasuhiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:56
CPC Classifications
F; F27; F27B; F27B21/00; F27B21/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1259828A
Cited
US2367775A
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US2708503A
Cited
US2702177A
Cited
US2920355A
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US2889077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |