US2435216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mixing
Assignee: C O BARTLETT AND SNOW Co
•
Filing: 1943-04-17
•
Granted: 1948-02-03
•
Expires: 1963-04-17
Abstract
No abstract record available.
Inventors
- 👤 Maximilian P Hofmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:55
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/27; B01F27/271; B01F27/2712; B01F25/00; B01F2025/91; B01F2025/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1489786A
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US1670593A
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US1848100A
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US1935884A
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US2245112A
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FR806149A
Cited
US2169338A
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US2267341A
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US2321599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |