Patent US2979829A successfully refreshed from Google Patents.
US2979829A
Expired / Lapsed
US
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Roller and apparatus for transporting strip material
Assignee: National Steel Corp
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Filing: 1958-07-15
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Granted: 1961-04-18
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Expires: 1978-07-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Uhleen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:50
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; Y; Y10; Y10S; Y10S254/00; Y10S254/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US546878A
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US1631476A
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US1848856A
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US2163712A
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US2226187A
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US2248333A
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US2335277A
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US2550511A
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US2635872A
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US2632611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |