US2870910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen for use in oscillating screening devices
Assignee: BRUECKENBAU FLENDER GmbH
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Filing: 1954-03-15
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Granted: 1959-01-27
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Expires: 1974-03-15
Abstract
No abstract record available.
Inventors
- 👤 Welmer Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:25
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/4609
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |