US3400518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating flock from an air stream
Assignee: Maschinenfabrik Rieter AG
•
Filing: 1966-09-16
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Granted: 1968-09-10
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Expires: 1986-09-16
Abstract
No abstract record available.
Inventors
- 👤 Staheli Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:55
CPC Classifications
D; D01; D01G; D01G23/00; D01G23/02; B; B07; B07B; B07B7/00; B07B7/01; B65; B65G; B65G53/00; B65G53/34; B65G53/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2878893A
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FR1369176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |