Patent US2181079A successfully refreshed from Google Patents.
US2181079A
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Mixing machine
Assignee: AMF Inc
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Filing: 1937-10-30
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Granted: 1939-11-21
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Expires: 1957-10-30
Abstract
No abstract record available.
Inventors
- 👤 Walter F Dehuff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:03
CPC Classifications
A; A21; A21C; A21C1/00; A21C1/02; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/08; A47J43/082; B; B01; B01F; B01F27/00; B01F27/80; B01F27/805; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-11-20 | 1943-05-22 | 1943-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-20 | 1947-05-22 | 1947-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-20 | 1951-05-22 | 1951-11-21 | $7700.00 | Window Closed / Lapsed |