US2416499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory rotary screen
Assignee: Conveyor Co
•
Filing: 1942-12-07
•
Granted: 1947-02-25
•
Expires: 1962-12-07
Abstract
No abstract record available.
Inventors
- 👤 Walter E Saxe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:09
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE625745C
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US2271900A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |