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US2634851A
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US
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Conveyer system
Assignee: WAGNER MALLEABLE IRON Co
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Filing: 1948-07-22
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Granted: 1953-04-14
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Expires: 1968-07-22
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Steinhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:14
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/30; B65G17/48; B65G17/485; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US801523A
Cited
US1507888A
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FR689952A
Cited
US2007044A
Cited
US2092396A
Cited
GB457682A
Cited
US2555227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |