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US2831665A
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Agitator vats
Assignee: Hch Bertzrams A G
•
Filing: 1956-06-01
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Granted: 1958-04-22
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Expires: 1976-06-01
Abstract
No abstract record available.
Inventors
- 👤 Baerfuss Achilles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:44
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/0705; A47J43/0711; B; B01; B01F; B01F27/00; B01F27/05; B01F27/09; B01F27/091; Y; Y10; Y10S; Y10S159/00; Y10S159/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |