US2808239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing and kneading machine
Assignee: Individual
•
Filing: 1954-08-20
•
Granted: 1957-10-01
•
Expires: 1974-08-20
Abstract
No abstract record available.
Inventors
- 👤 Reiffen Ernst Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:47
CPC Classifications
A; A21; A21C; A21C1/00; A21C1/02; A23; A23G; A23G1/00; A23G1/04; A23G1/16; B; B01; B01F; B01F27/00; B01F27/80; B01F27/95; B01F27/951; B01F29/00; B01F29/40; B01F29/403; B01F29/4032; B01F35/00; B01F35/30; B01F35/33; B01F27/05; B01F27/11; B01F27/116; B01F27/23; B01F27/232; B01F27/2322; B01F27/2324; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US230856A
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US280025A
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US370335A
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US2721359A
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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) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |