Patent US2660263A successfully refreshed from Google Patents.
US2660263A
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US
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Driving mechanism for material conveyers
Assignee: Individual
•
Filing: 1949-09-30
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Granted: 1953-11-24
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Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Herman J Raddatz
- 👤 Donald A Raddatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:59
CPC Classifications
B; B65; B65G; B65G41/00; B65G41/001; B65G41/002; B66; B66B; B66B17/00; B66B17/14; B66B17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |