US3435594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode discharge plate for dust collector
Assignee: GEA Group AG
•
Filing: 1967-10-19
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Granted: 1969-04-01
•
Expires: 1987-10-19
Abstract
No abstract record available.
Inventors
- 👤 Walter Steuernagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:52
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/40; B03C3/41; B03C2201/00; B03C2201/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2195431A
Cited
GB855621A
Cited
GB966558A
Cited
GB926128A
Cited
US3158454A
Cited
US3200566A
Cited
GB963109A
Cited
US3282029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |