Patent US4136267A successfully refreshed from Google Patents.
Patent US2157683A successfully refreshed from Google Patents.
US2157683A
Expired / Lapsed
US
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Device for mixing, sifting, and kneading
Assignee: Individual
•
Filing: 1937-12-20
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Granted: 1939-05-09
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Expires: 1957-12-20
Abstract
No abstract record available.
Inventors
- 👤 Voilrath Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:42
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/118; B01F27/80; B01F27/805; B01F27/806; B01F27/95; B01F27/112; B01F27/1125; B01F27/113; B01F27/19; B01F27/192
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) | 1942-05-08 | 1942-11-07 | 1943-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-08 | 1946-11-07 | 1947-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-08 | 1950-11-07 | 1951-05-09 | $7700.00 | Window Closed / Lapsed |