US2631459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction wheel drive for bucket elevators
Assignee: Individual
•
Filing: 1950-11-08
•
Granted: 1953-03-17
•
Expires: 1970-11-08
Abstract
No abstract record available.
Inventors
- 👤 Sherman T Transeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:17
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/06; B; B65; B65G; B65G23/00; B65G2812/00; B65G2812/02; B65G2812/02267; B65G2812/02277; B65G2812/02287; B65G2812/02306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US306961A
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US424904A
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US456729A
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US465572A
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US547347A
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US883046A
Cited
FR412879A
Cited
US2554935A
Cited
US2572601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |