US3398464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sieve drum installation
Assignee: Anstalt fuer Pantentdienst
•
Filing: 1965-04-27
•
Granted: 1968-08-27
•
Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 Fleissner Gerold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:18
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/16; Y; Y10; Y10S; Y10S68/00; Y10S68/902; Y10S68/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US535560A
Cited
US1199612A
Cited
US1821793A
Cited
US1995408A
Cited
US2303123A
Cited
GB652747A
Cited
DE1145127B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |