Patent US1630482A successfully refreshed from Google Patents.
US1630482A
Expired / Lapsed
US
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Apparatus for removing dust from precipitator electrodes
Assignee: American Smelting and Refining Co
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Filing: 1925-09-10
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Granted: 1927-05-31
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Expires: 1945-09-10
Abstract
No abstract record available.
Inventors
- 👤 Gordon B Forbes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:44
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/74; B03C3/76; B03C3/763
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-05-30 | 1930-11-29 | 1931-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-05-30 | 1934-11-29 | 1935-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-05-30 | 1938-11-29 | 1939-05-31 | $7700.00 | Window Closed / Lapsed |