Patent US2558629A successfully refreshed from Google Patents.
US2558629A
Expired / Lapsed
US
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Unloading conveyer
Assignee: JOSEPH B SCHWAB
•
Filing: 1947-03-18
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Granted: 1951-06-26
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Expires: 1967-03-18
Abstract
No abstract record available.
Inventors
- 👤 Luverne R Smida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:57
CPC Classifications
B; B65; B65G; B65G37/00; B65G2812/00; B65G2812/01; B65G2812/012; B65G2812/014; B65G2812/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US265592A
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US275960A
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US740559A
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US892980A
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FR578375A
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US1576910A
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US1777621A
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US1842399A
Cited
US1999932A
Cited
US2479823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |