Patent US3394470A successfully refreshed from Google Patents.
US3394470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sieve drums with eccentric positioning of fan means
Assignee: Vepa AG
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Filing: 1966-07-20
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Granted: 1968-07-30
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Expires: 1986-07-20
Abstract
No abstract record available.
Inventors
- 👤 Fleissner Gerold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:12
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/16; D; D06; D06B; D06B19/00; D06B19/0005; D06B19/0047; D06B19/0058; D06B5/00; D06B5/02; Y; Y10; Y10S; Y10S68/00; Y10S68/902; Y10S68/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2301249A
Cited
US3196555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |