Patent US1747443A successfully refreshed from Google Patents.
US1747443A
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US
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Mixing machine
Assignee: Hobart Manfacturing Co
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Filing: 1928-11-30
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Granted: 1930-02-18
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Expires: 1948-11-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:08
CPC Classifications
A; A21; A21C; A21C1/00; A21C1/02; B; B01; B01F; B01F27/00; B01F27/80; B01F27/805
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) | 1933-02-17 | 1933-08-19 | 1934-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-02-17 | 1937-08-19 | 1938-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-02-17 | 1941-08-19 | 1942-02-18 | $7700.00 | Window Closed / Lapsed |