US2964186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory screen apparatus
Assignee: Individual
•
Filing: 1958-03-03
•
Granted: 1960-12-13
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Achille K Ferrara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:28
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/28; B07B1/286; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32975; Y10T403/32983; Y10T403/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2246483A
Cited
US873097A
Cited
US1143720A
Cited
US1395913A
Cited
US1693940A
Cited
US2042072A
Cited
DE657919C
Cited
US2238711A
Cited
US2260386A
Cited
US2579002A
Cited
GB696140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |