US2656007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the gravity conveyance of adsorption media
Assignee: GEA Group AG
•
Filing: 1950-06-16
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Granted: 1953-10-20
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Expires: 1970-06-16
Abstract
No abstract record available.
Inventors
- 👤 Arnold Erich
- 👤 Heilmann Edmund
- 👤 Vollmer Wendlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:04
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12; B01J8/125; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/08; B01J8/0015; B01J8/003; B01D2253/00; B01D2253/10; B01D2253/102; B01D2253/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2560604A
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US1702311A
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US2412135A
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US2430669A
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US2438261A
Cited
US2477281A
Cited
US2482138A
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US2526701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |