Patent US2643009A successfully refreshed from Google Patents.
US2643009A
Expired / Lapsed
US
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Device for loading sheets or plates onto conveyers
Assignee: Armco Inc
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Filing: 1949-06-03
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Granted: 1953-06-23
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Expires: 1969-06-03
Abstract
No abstract record available.
Inventors
- 👤 Kenyon John Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:25
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/34; B65G47/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US695249A
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US725157A
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US1472679A
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US1890250A
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US1951178A
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US2295055A
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US2335078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |