Patent US2434435A successfully refreshed from Google Patents.
US2434435A
Expired / Lapsed
US
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System for conveying chips or other loose material
Assignee: Individual
•
Filing: 1945-01-05
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Granted: 1948-01-13
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Expires: 1965-01-05
Abstract
No abstract record available.
Inventors
- 👤 Reibel Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:57
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/52; B65G53/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US406446A
Cited
US1741041A
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US1857643A
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US721743A
Cited
US907848A
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US1669084A
Cited
US1831196A
Cited
DE658003C
Cited
GB478807A
Cited
GB499299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |