Patent GB623992A successfully refreshed from Google Patents.
US2795389A
Expired / Lapsed
US
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Apparatus for filling powdered materials into containers
Assignee: FMC Corp
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Filing: 1953-05-11
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Granted: 1957-06-11
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Expires: 1973-05-11
Abstract
No abstract record available.
Inventors
- 👤 Paul C Aust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:13
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/16; B65B1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US862231A
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US1713023A
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US1971852A
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US2167416A
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US2181756A
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US2353346A
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US2319192A
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US2359029A
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US2509985A
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US2589968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |