Patent US2662630A successfully refreshed from Google Patents.
US2662630A
Expired / Lapsed
US
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Apparatus for handling metal sheets
Assignee: Armco Inc
•
Filing: 1952-02-08
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Granted: 1953-12-15
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Expires: 1972-02-08
Abstract
No abstract record available.
Inventors
- 👤 John L Freholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:27
CPC Classifications
B; B21; B21C; B21C51/00; B21C51/005; Y; Y10; Y10S; Y10S271/00; Y10S271/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1512413A
Cited
US1858619A
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US2008200A
Cited
US2373149A
Cited
US2485952A
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US2486733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |