Patent US2831418A successfully refreshed from Google Patents.
US2831418A
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US
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Mixing and refining machine
Assignee: Individual
•
Filing: 1955-12-27
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Granted: 1958-04-22
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Expires: 1975-12-27
Abstract
No abstract record available.
Inventors
- 👤 Ponisch Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:07
CPC Classifications
A; A23; A23G; A23G1/00; A23G1/04; A23G1/12; A23G1/125; B; B01; B01F; B01F27/00; B01F27/05; B01F27/09; B01F27/091; Y; Y10; Y10S; Y10S241/00; Y10S241/601
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 |