Patent US2126031A successfully refreshed from Google Patents.
US2126031A
Expired / Lapsed
US
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Vibratory screen
Assignee: Individual
•
Filing: 1936-05-28
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Granted: 1938-08-09
•
Expires: 1956-05-28
Abstract
No abstract record available.
Inventors
- 👤 Walter H Popp
- 👤 Edward A Ebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:47
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/28; B07B1/286; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544; Y10T74/18552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-08-08 | 1942-02-07 | 1942-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-08 | 1946-02-07 | 1946-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-08 | 1950-02-07 | 1950-08-09 | $7700.00 | Window Closed / Lapsed |