Patent US1404701A successfully refreshed from Google Patents.
US1404701A
Expired / Lapsed
US
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Mixing apparatus
Assignee: Individual
•
Filing: 1920-10-29
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Granted: 1922-01-24
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Expires: 1940-10-29
Abstract
No abstract record available.
Inventors
- 👤 Karl Pfisterer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:40
CPC Classifications
B; B01; B01F; B01F21/00; B01F21/15; B01F21/20; B01F25/00; B01F25/20; B01F25/21; B01F25/211; B01F25/25; B01F25/30; B01F25/31; B01F25/312; B01F25/3124; B01F25/31242; B01F25/50; B01F25/51
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) | 1925-01-23 | 1925-07-25 | 1926-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-23 | 1929-07-25 | 1930-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-23 | 1933-07-25 | 1934-01-24 | $7700.00 | Window Closed / Lapsed |