US2468389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical mixer
Assignee: Individual
•
Filing: 1945-11-14
•
Granted: 1949-04-26
•
Expires: 1965-11-14
Abstract
No abstract record available.
Inventors
- 👤 George A Auer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:30
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/08; B02C18/12; B01; B01F; B01F27/00; B01F27/27; B01F27/271; B01F27/2711; B01F27/2714; B01F33/00; B01F33/80; B01F33/81; B01F33/811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1645847A
Cited
US804012A
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US1235030A
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GB126854A
Cited
US1451424A
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US1848100A
Cited
US1556927A
Cited
US1745727A
Cited
US1971314A
Cited
US2221342A
Cited
US2255213A
Cited
US2321599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |