US2575610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flight conveyer
Assignee: Joy Manufacturing Co
•
Filing: 1947-12-27
•
Granted: 1951-11-20
•
Expires: 1967-12-27
Abstract
No abstract record available.
Inventors
- 👤 Charles F Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:30
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/18; B65G19/22; B65G19/24; B65G19/04; B65G19/06; B65G19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US540617A
Cited
DE663204C
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US757667A
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US915425A
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US1506780A
Cited
US1527146A
Cited
US1885946A
Cited
DE662522C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |