Patent US2561258A successfully refreshed from Google Patents.
US2561258A
Expired / Lapsed
US
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Flexible rotary agitator for hoppers with variable eccentric mountings and spaced weights
Assignee: Consolidated Gas Electric Light and Power Company of Baltimore
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Filing: 1946-03-22
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Granted: 1951-07-17
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Expires: 1966-03-22
Abstract
No abstract record available.
Inventors
- 👤 Edgar F Wolf
- 👤 Hohenleiten Harry L Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:11
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/051; B01F27/054; B01F27/0542; B65; B65D; B65D88/00; B65D88/54; B65D88/64; B65D88/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1676389A
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US1898596A
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US2144569A
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US2181306A
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US2228421A
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US2278067A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |